Moun·tain a.
 1. Of or pertaining to a mountain or mountains; growing or living on a mountain; found on or peculiar to mountains; among mountains; as, a mountain torrent; mountain pines; mountain goats; mountain air; mountain howitzer.
 2. Like a mountain; mountainous; vast; very great.
    The high, the mountain majesty of worth.   --Byron.
 Mountain antelope Zool., the goral.
 Mountain ash Bot., an ornamental tree, the Pyrus Americana (or Sorbus Americana), producing beautiful bunches of red berries. Its leaves are pinnate, and its flowers white, growing in fragrant clusters. The European species is the Pyrus aucuparia, or rowan tree.
 Mountain barometer, a portable barometer, adapted for safe transportation, used in measuring the heights of mountains.
 Mountain beaver Zool., the sewellel.
 Mountain blue Min., blue carbonate of copper; azurite.
 Mountain cat Zool., the catamount. See Catamount.
 Mountain chain, a series of contiguous mountain ranges, generally in parallel or consecutive lines or curves.
 Mountain cock Zool., capercailzie. See Capercailzie.
 Mountain cork Min., a variety of asbestus, resembling cork in its texture.
 Mountain crystal. See under Crystal.
 Mountain damson Bot., a large tree of the genus Simaruba (Simaruba amarga) growing in the West Indies, which affords a bitter tonic and astringent, sometimes used in medicine.
 Mountain dew, Scotch whisky, so called because often illicitly distilled among the mountains. [Humorous]
 Mountain ebony Bot., a small leguminous tree (Bauhinia variegata) of the East and West Indies; -- so called because of its dark wood. The bark is used medicinally and in tanning.
 Mountain flax Min., a variety of asbestus, having very fine fibers; amianthus. See Amianthus.
 Mountain fringe Bot., climbing fumitory. See under Fumitory.
 Mountain goat. Zool. See Mazama.
 Mountain green. Min. (a) Green malachite, or carbonate of copper. (b) See Green earth, under Green, a.
 Mountain holly Bot., a branching shrub (Nemopanthes Canadensis), having smooth oblong leaves and red berries.  It is found in the Northern United States.
 Mountain laurel Bot., an American shrub (Kalmia latifolia) with glossy evergreen leaves and showy clusters of rose-colored or white flowers.  The foliage is poisonous.  Called also American laurel, ivy bush, and calico bush.  See Kalmia.
 Mountain leather Min., a variety of asbestus, resembling leather in its texture.
 Mountain licorice Bot., a plant of the genus Trifolium (Trifolium Alpinum).
 Mountain limestone Geol., a series of marine limestone strata below the coal measures, and above the old red standstone of Great Britain.  See Chart of Geology.
 Mountain linnet Zool., the twite.
 Mountain magpie. Zool. (a) The yaffle, or green woodpecker. (b) The European gray shrike.
 Mountain mahogany Bot. See under Mahogany.
 Mountain meal Min., a light powdery variety of calcite, occurring as an efflorescence.
 Mountain milk Min., a soft spongy variety of carbonate of lime.
 Mountain mint. Bot. See Mint.
 Mountain ousel Zool., the ring ousel; -- called also mountain thrush and mountain colley.  See Ousel.
 Mountain pride, or Mountain green Bot., a tree of Jamaica (Spathelia simplex), which has an unbranched palmlike stem, and a terminal cluster of large, pinnate leaves.
 Mountain quail Zool., the plumed partridge (Oreortyx pictus) of California.  It has two long, slender, plumelike feathers on the head.  The throat and sides are chestnut; the belly is brown with transverse bars of black and white; the neck and breast are dark gray.
 Mountain range, a series of mountains closely related in position and direction.
 Mountain rice. Bot. (a) An upland variety of rice, grown without irrigation, in some parts of Asia, Europe, and the United States. (b) An American genus of grasses (Oryzopsis).
 Mountain rose Bot., a species of rose with solitary flowers, growing in the mountains of Europe (Rosa alpina).
 Mountain soap Min., a soft earthy mineral, of a brownish color, used in crayon painting; saxonite.
 Mountain sorrel Bot., a low perennial plant (Oxyria digyna with rounded kidney-form leaves, and small greenish flowers, found in the White Mountains of New Hampshire, and in high northern latitudes. --Gray.
 Mountain sparrow Zool., the European tree sparrow.
 Mountain spinach. Bot. See Orach.
 Mountain tobacco Bot., a composite plant (Arnica montana) of Europe; called also leopard's bane.
 Mountain witch Zool., a ground pigeon of Jamaica, of the genus Geotrygon.

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 leop·ard's bane n. Bot. A name of several harmless plants, as Arnica montana (Arnica acaulis syn. Doronicum acaule), Senecio Doronicum, and Paris quadrifolia.
 Syn: -- leopardbane, leopard's-bane.

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 To·bac·co n.
 1. Bot. An American plant (Nicotiana Tabacum) of the Nightshade family, much used for smoking and chewing, and as snuff. As a medicine, it is narcotic, emetic, and cathartic. Tobacco has a strong, peculiar smell, and an acrid taste.
 Note: ☞ The name is extended to other species of the genus, and to some unrelated plants, as Indian tobacco (Nicotiana rustica, and also Lobelia inflata), mountain tobacco (Arnica montana), and Shiraz tobacco (Nicotiana Persica).
 2. The leaves of the plant prepared for smoking, chewing, etc., by being dried, cured, and manufactured in various ways.
 Tobacco box Zool., the common American skate.
 Tobacco camphor. Chem. See Nicotianine.
 Tobacco man, a tobacconist. [R.]
 Tobacco pipe. (a) A pipe used for smoking, made of baked clay, wood, or other material. (b) Bot. Same as Indian pipe, under Indian.
 Tobacco-pipe clay Min., a species of clay used in making tobacco pipes; -- called also cimolite.
 Tobacco-pipe fish. Zool. See Pipemouth.
 Tobacco stopper, a small plug for pressing down the tobacco in a pipe as it is smoked.
 Tobacco worm Zool., the larva of a large hawk moth (Sphinx Carolina syn. Phlegethontius Carolina).  It is dark green, with seven oblique white stripes bordered above with dark brown on each side of the body.  It feeds upon the leaves of tobacco and tomato plants, and is often very injurious to the tobacco crop. See Illust. of Hawk moth.

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 Ar·ni·ca n.  Bot. A genus of plants; also, the most important species (Arnica montana), native of the mountains of Europe, used in medicine as a narcotic and stimulant.
 Note: ☞ The tincture of arnica is applied externally as a remedy for bruises, sprains, etc.

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 Ar·ni·cin n.  Chem. An active principle of Arnica montana. It is a bitter resin.

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 Arnica montana
      n : herb of pasture and open woodland throughout most of Europe
          and western Asia having orange-yellow daisylike flower
          heads that when dried are used as a stimulant and to
          treat bruises and swellings