rose window
 圓花窗
 Mar·i·gold n.  Bot. A name for several plants with golden yellow blossoms, especially the Calendula officinalis (see Calendula), and the cultivated species of Tagetes.
 Note: ☞ There are several yellow-flowered plants of different genera bearing this name; as, the African marigold or French marigold of the genus Tagetes, of which several species and many varieties are found in gardens. They are mostly strong-smelling herbs from South America and Mexico: bur marigold, of the genus Bidens; corn marigold, of the genus Chrysanthemum (Chrysanthemum segetum, a pest in the cornfields of Italy); fig marigold, of the genus Mesembryanthemum; marsh marigold, of the genus Caltha (Caltha palustris), commonly known in America as the cowslip. See Marsh Marigold.
 Marigold window. Arch. See Rose window, under Rose.
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 Rose, n.
 1. A flower and shrub of any species of the genus Rosa, of which there are many species, mostly found in the morthern hemispere
 Note: ☞ Roses are shrubs with pinnate leaves and usually prickly stems. The flowers are large, and in the wild state have five petals of a color varying from deep pink to white, or sometimes yellow. By cultivation and hybridizing the number of petals is greatly increased and the natural perfume enhanced. In this way many distinct classes of roses have been formed, as the Banksia, Baurbon, Boursalt, China, Noisette, hybrid perpetual, etc., with multitudes of varieties in nearly every class.
 2. A knot of ribbon formed like a rose; a rose knot; a rosette, esp. one worn on a shoe.
 3. Arch. A rose window. See Rose window, below.
 4. A perforated nozzle, as of a pipe, spout, etc., for delivering water in fine jets; a rosehead; also, a strainer at the foot of a pump.
 5. Med. The erysipelas.
 6. The card of the mariner's compass; also, a circular card with radiating lines, used in other instruments.
 7. The color of a rose; rose-red; pink.
 8. A diamond. See Rose diamond, below.
 Cabbage rose, China rose, etc. See under Cabbage, China, etc.
 Corn rose Bot. See Corn poppy, under Corn.
 Infantile rose Med., a variety of roseola.
 Jamaica rose. Bot. See under Jamaica.
 Rose acacia Bot., a low American leguminous shrub (Robinia hispida) with handsome clusters of rose-colored blossoms.
 Rose aniline. Chem. Same as Rosaniline.
 Rose apple Bot., the fruit of the tropical myrtaceous tree Eugenia Jambos. It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume.
 Rose beetle. Zool. (a) A small yellowish or buff longlegged beetle (Macrodactylus subspinosus), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug, and rose chafer. (b) The European chafer.
 Rose bug. Zool. same as Rose beetle, Rose chafer.
 Rose burner, a kind of gas-burner producing a rose-shaped flame.
 Rose camphor Chem., a solid odorless substance which separates from rose oil.
 Rose campion. Bot. See under Campion.
 Rose catarrh Med., rose cold.
 Rose chafer. Zool. (a) A common European beetle (Cetonia aurata) which is often very injurious to rosebushes; -- called also rose beetle, and rose fly. (b) The rose beetle (a).
 Rose cold Med., a variety of hay fever, sometimes attributed to the inhalation of the effluvia of roses. See Hay fever, under Hay.
 Rose color, the color of a rose; pink; hence, a beautiful hue or appearance; fancied beauty, attractiveness, or promise.
 Rose de Pompadour, Rose du Barry, names succesively given to a delicate rose color used on Sèvres porcelain.
 Rose diamond, a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top.  Cf. Brilliant, n.
 Rose ear. See under Ear.
 Rose elder Bot., the Guelder-rose.
 Rose engine, a machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines. --Craig.
 Rose family Bot. the Roseceae. See Rosaceous.
 Rose fever Med., rose cold.
 Rose fly Zool., a rose betle, or rose chafer.
 Rose gall Zool., any gall found on rosebushes. See Bedeguar.
 Rose knot, a ribbon, or other pliade band plaited so as to resemble a rose; a rosette.
 Rose lake, Rose madder, a rich tint prepared from lac and madder precipitated on an earthy basis. --Fairholt.
 Rose mallow. Bot. (a) A name of several malvaceous plants of the genus Hibiscus, with large rose-colored flowers. (b) the hollyhock.
 Rose nail, a nail with a convex, faceted head.
 Rose noble, an ancient English gold coin, stamped with the figure of a rose, first struck in the reign of Edward III., and current at 6s. 8d. --Sir W. Scott.
 Rose of China. Bot. See China rose (b), under China.
 Rose of Jericho Bot., a Syrian cruciferous plant (Anastatica Hierochuntica) which rolls up when dry, and expands again when moistened; -- called also resurrection plant.
 Rose of Sharon Bot., an ornamental malvaceous shrub (Hibiscus Syriacus). In the Bible the name is used for some flower not yet identified, perhaps a Narcissus, or possibly the great lotus flower.
 Rose oil Chem., the yellow essential oil extracted from various species of rose blossoms, and forming the chief part of attar of roses.
 Rose pink, a pigment of a rose color, made by dyeing chalk or whiting with a decoction of Brazil wood and alum; also, the color of the pigment.
 Rose quartz Min., a variety of quartz which is rose-red.
 Rose rash. Med. Same as Roseola.
 Rose slug Zool., the small green larva of a black sawfly (Selandria rosae).  These larvae feed in groups on the parenchyma of the leaves of rosebushes, and are often abundant and very destructive.
 Rose window Arch., a circular window filled with ornamental tracery. Called also Catherine wheel, and marigold window.  Cf. wheel window, under Wheel.
 Summer rose Med., a variety of roseola. See Roseola.
 Under the rose [a translation of L. sub rosa], in secret; privately; in a manner that forbids disclosure; -- the rose being among the ancients the symbol of secrecy, and hung up at entertainments as a token that nothing there said was to be divulged.
 Wars of the Roses Eng. Hist., feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster.
 Wheel n.
 1. A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc.
 The gasping charioteer beneath the wheel
 Of his own car.   --Dryden.
 2. Any instrument having the form of, or chiefly consisting of, a wheel.  Specifically: --
 (a) A spinning wheel.  See under Spinning.
 (b) An instrument of torture formerly used.
    His examination is like that which is made by the rack and wheel.   --Addison.
 Note: ☞ This mode of torture is said to have been first employed in Germany, in the fourteenth century. The criminal was laid on a cart wheel with his legs and arms extended, and his limbs in that posture were fractured with an iron bar. In France, where its use was restricted to the most atrocious crimes, the criminal was first laid on a frame of wood in the form of a St. Andrew's cross, with grooves cut transversely in it above and below the knees and elbows, and the executioner struck eight blows with an iron bar, so as to break the limbs in those places, sometimes finishing by two or three blows on the chest or stomach, which usually put an end to the life of the criminal, and were hence called coups-de-grace -- blows of mercy. The criminal was then unbound, and laid on a small wheel, with his face upward, and his arms and legs doubled under him, there to expire, if he had survived the previous treatment.
 (c) Naut. A circular frame having handles on the periphery, and an axle which is so connected with the tiller as to form a means of controlling the rudder for the purpose of steering.
 (d) Pottery A potter's wheel.  See under Potter.
    Then I went down to the potter's house, and, behold, he wrought a work on the wheels.   --Jer. xviii. 3.
 Turn, turn, my wheel! This earthen jar
 A touch can make, a touch can mar.   --Longfellow.
 (e) Pyrotechny A firework which, while burning, is caused to revolve on an axis by the reaction of the escaping gases.
 (f) Poetry The burden or refrain of a song.
 Note: ☞ “This meaning has a low degree of authority, but is supposed from the context in the few cases where the word is found.”
 You must sing a-down a-down,
 An you call him a-down-a.
 O, how the wheel becomes it!   --Shak.
 3. A bicycle or a tricycle; a velocipede.
 4. A rolling or revolving body; anything of a circular form; a disk; an orb.
 5. A turn revolution; rotation; compass.
    According to the common vicissitude and wheel of things, the proud and the insolent, after long trampling upon others, come at length to be trampled upon themselves.   --South.
    [He] throws his steep flight in many an aery wheel.   --Milton.
 A wheel within a wheel, or Wheels within wheels, a complication of circumstances, motives, etc.
 Balance wheel. See in the Vocab.
 Bevel wheel, Brake wheel, Cam wheel, Fifth wheel, Overshot wheel, Spinning wheel, etc. See under Bevel, Brake, etc.
 Core wheel. Mach. (a) A mortise gear. (b) A wheel having a rim perforated to receive wooden cogs; the skeleton of a mortise gear.
 Measuring wheel, an odometer, or perambulator.
 Wheel and axle Mech., one of the elementary machines or mechanical powers, consisting of a wheel fixed to an axle, and used for raising great weights, by applying the power to the circumference of the wheel, and attaching the weight, by a rope or chain, to that of the axle. Called also axis in peritrochio, and perpetual lever, -- the principle of equilibrium involved being the same as in the lever, while its action is continuous.  See Mechanical powers, under Mechanical.
 Wheel animal, or Wheel animalcule Zool., any one of numerous species of rotifers having a ciliated disk at the anterior end.
 Wheel barometer. Physics See under Barometer.
 Wheel boat, a boat with wheels, to be used either on water or upon inclined planes or railways.
 Wheel bug Zool., a large North American hemipterous insect (Prionidus cristatus) which sucks the blood of other insects. So named from the curious shape of the prothorax.
 Wheel carriage, a carriage moving on wheels.
 Wheel chains, or Wheel ropes Naut., the chains or ropes connecting the wheel and rudder.
 Wheel cutter, a machine for shaping the cogs of gear wheels; a gear cutter.
 Wheel horse, one of the horses nearest to the wheels, as opposed to a leader, or forward horse; -- called also wheeler.
 Wheel lathe, a lathe for turning railway-car wheels.
 Wheel lock. (a) A letter lock.  See under Letter. (b) A kind of gunlock in which sparks were struck from a flint, or piece of iron pyrites, by a revolving wheel. (c) A kind of brake a carriage.
 Wheel ore Min., a variety of bournonite so named from the shape of its twin crystals.  See Bournonite.
 Wheel pit Steam Engine, a pit in the ground, in which the lower part of the fly wheel runs.
 Wheel plow, or Wheel plough, a plow having one or two wheels attached, to render it more steady, and to regulate the depth of the furrow.
 Wheel press, a press by which railway-car wheels are forced on, or off, their axles.
 Wheel race, the place in which a water wheel is set.
 Wheel rope Naut., a tiller rope.  See under Tiller.
 Wheel stitch Needlework, a stitch resembling a spider's web, worked into the material, and not over an open space. --Caulfeild & S. (Dict. of Needlework).
 Wheel tree Bot., a tree (Aspidosperma excelsum) of Guiana, which has a trunk so curiously fluted that a transverse section resembles the hub and spokes of a coarsely made wheel.  See Paddlewood.
 Wheel urchin Zool., any sea urchin of the genus Rotula having a round, flat shell.
 Wheel window Arch., a circular window having radiating mullions arranged like the spokes of a wheel.  Cf. Rose window, under Rose.
 rose window
      n : circular window filled with tracery [syn: rosette]