Mouse n.; pl. Mice
 1. Zool. Any one of numerous species of small rodents belonging to the genus Mus and various related genera of the family Muridae.  The common house mouse (Mus musculus) is found in nearly all countries.  The American white-footed mouse, or deer mouse (Peromyscus leucopus, formerly Hesperomys leucopus) sometimes lives in houses.  See Dormouse, Meadow mouse, under Meadow, and Harvest mouse, under Harvest.
 2. Naut. (a) A knob made on a rope with spun yarn or parceling to prevent a running eye from slipping. (b) Same as 2d Mousing, 2.
 3. A familiar term of endearment.
 4. A dark-colored swelling caused by a blow. [Slang]
 5. A match used in firing guns or blasting.
 Field mouse, Flying mouse, etc. See under Field, Flying, etc.
 Mouse bird Zool., a coly.
 Mouse deer Zool., a chevrotain, as the kanchil.
 Mouse galago Zool., a very small West American galago (Galago murinus). In color and size it resembles a mouse. It has a bushy tail like that of a squirrel.
 Mouse hawk. Zool. (a) A hawk that devours mice. (b) The hawk owl; -- called also mouse owl.
 Mouse lemur Zool., any one of several species of very small lemurs of the genus Chirogaleus, found in Madagascar.
 Mouse piece Cookery, the piece of beef cut from the part next below the round or from the lower part of the latter; -- called also mouse buttock.


 O·pos·sum n.  Zool. Any American marsupial of the genera Didelphys and Chironectes; called also possum.  The common species of the United States is Didelphys Virginiana.
 Note: ☞ Several related species are found in South America. The water opossum of Brazil (Chironectes variegatus), which has the hind feet, webbed, is provided with a marsupial pouch and with cheek pouches.  It is called also yapock.
 Opossum mouse. Zool. See Flying mouse, under Flying.
 Opossum shrimp Zool., any schizopod crustacean of the genus Mysis and allied genera. See Schizopoda.

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 Pe·tau·rist n.  Zool. Any flying marsupial of the genera Petaurus, Phalangista, Acrobata, and allied genera.  See Flying mouse, under Flying, and Phalangister.

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 Fly·ing a.  Moving in the air with, or as with, wings; moving lightly or rapidly; intended for rapid movement.
 Flying army Mil. a body of cavalry and infantry, kept in motion, to cover its own garrisons and to keep the enemy in continual alarm. --Farrow. --Flying artillery Mil., artillery trained to rapid evolutions, -- the men being either mounted or trained to spring upon the guns and caissons when they change position.
 Flying bridge, Flying camp. See under Bridge, and Camp.
 Flying buttress Arch., a contrivance for taking up the thrust of a roof or vault which can not be supported by ordinary buttresses. It consists of a straight bar of masonry, usually sloping, carried on an arch, and a solid pier or buttress sufficient to receive the thrust. The word is generally applied only to the straight bar with supporting arch.
 Flying colors, flags unfurled and waving in the air; hence: To come off with flying colors, to be victorious; to succeed thoroughly in an undertaking.
 Flying doe Zool., a young female kangaroo.
 Flying dragon. (a) Zool. See Dragon, 6. (b) A meteor. See under Dragon.
 Flying Dutchman. (a) A fabled Dutch mariner condemned for his crimes to sail the seas till the day of judgment. (b) A spectral ship.
 Flying fish. Zool. See Flying fish, in the Vocabulary.
 Flying fox Zool., see Flying fox in the vocabulary.
 Flying frog Zool., either of two East Indian tree frogs of the genus Rhacophorus (Rhacophorus nigrapalmatus and Rhacophorus pardalis), having very large and broadly webbed feet, which serve as parachutes, and enable it to make very long leaps.
 Flying gurnard Zool., a species of gurnard of the genus Cephalacanthus or Dactylopterus, with very large pectoral fins, said to be able to fly like the flying fish, but not for so great a distance.
 Note: Three species are known; that of the Atlantic is Cephalacanthus volitans.
 Flying jib Naut., a sail extended outside of the standing jib, on the flying-jib boom.
 Flying-jib boom Naut., an extension of the jib boom.
 Flying kites Naut., light sails carried only in fine weather.
 Flying lemur. Zool. See Colugo.
 Flying level Civil Engin., a reconnoissance level over the course of a projected road, canal, etc.
 Flying lizard. Zool. See Dragon, n. 6.
 Flying machine, any apparatus for navigating through the air, especially a heavier-than-air machine.
 Flying mouse Zool., the opossum mouse (Acrobates pygmæus), a marsupial of Australia.  Called also feathertail glider.
 Note: It has lateral folds of skin, like the flying squirrels, and a featherlike tail.
 Flying party Mil., a body of soldiers detailed to hover about an enemy.
 Flying phalanger Zool., one of several species of small marsuupials of the genera Petaurus and Belideus, of Australia and New Guinea, having lateral folds like those of the flying squirrels.  The sugar squirrel (Belideus sciureus), and the ariel (Belideus ariel), are the best known; -- called also squirrel petaurus and flying squirrel. See Sugar squirrel.
 Flying pinion, the fly of a clock.
 Flying sap Mil., the rapid construction of trenches (when the enemy's fire of case shot precludes the method of simple trenching), by means of gabions placed in juxtaposition and filled with earth.
 Flying shot, a shot fired at a moving object, as a bird on the wing.
 Flying spider. Zool. See Ballooning spider.
 Flying squid Zool., an oceanic squid (Ommastrephes Bartramii syn. Sthenoteuthis Bartramii), abundant in the Gulf Stream, which is able to leap out of the water with such force that it often falls on the deck of a vessel.
 Flying squirrel Zool. See Flying squirrel, in the Vocabulary.
 Flying start, a start in a sailing race in which the signal is given while the vessels are under way.
 Flying torch Mil., a torch attached to a long staff and used for signaling at night.

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 flying mouse
      n : tiny flying phalanger