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.


 Marsh n.  A tract of soft wet land, commonly covered partially or wholly with water; a fen; a swamp; a morass. [Written also marish.]
 Marsh asphodel Bot., a plant (Nartheeium ossifragum) with linear equitant leaves, and a raceme of small white flowers; -- called also bog asphodel.
 Marsh cinquefoil Bot., a plant (Potentilla palustris) having purple flowers, and found growing in marshy places; marsh five-finger.
 Marsh elder. Bot. (a) The guelder-rose or cranberry tree (Viburnum Opulus). (b) In the United States, a composite shrub growing in salt marshes (Iva frutescens).
 Marsh five-finger. Bot. See Marsh cinquefoil (above).
 Marsh gas. Chem. See under Gas.
 Marsh grass Bot., a genus (Spartina) of coarse grasses growing in marshes; -- called also cord grass.  The tall Spartina cynosuroides is not good for hay unless cut very young. The low Spartina juncea is a common component of salt hay.
 Marsh harrier Zool., a European hawk or harrier (Circus aeruginosus); -- called also marsh hawk, moor hawk, moor buzzard, puttock.
 Marsh hawk. Zool. (a) A hawk or harrier (Circus cyaneus), native of both America and Europe. The adults are bluish slate above, with a white rump. Called also hen harrier, and mouse hawk. (b) The marsh harrier.
 Marsh hen Zool., a rail; esp., Rallus elegans of fresh-water marshes, and Rallus longirostris of salt-water marshes.
 Marsh mallow Bot., a plant of the genus Althaea ( Althaea officinalis) common in marshes near the seashore, and whose root is much used in medicine as a demulcent.
 Marsh marigold. Bot. See in the Vocabulary.
 Marsh pennywort Bot., any plant of the umbelliferous genus Hydrocotyle; low herbs with roundish leaves, growing in wet places; -- called also water pennywort.
 Marsh quail Zool., the meadow lark.
 Marsh rosemary Bot., a plant of the genus Statice (Statice Limonium), common in salt marshes. Its root is powerfully astringent, and is sometimes used in medicine. Called also sea lavender.
 Marsh samphire Bot., a plant (Salicornia herbacea) found along seacoasts. See Glasswort.
 Marsh St. John's-wort Bot., an American herb (Elodes Virginica) with small opposite leaves and flesh-colored flowers.
 Marsh tea. Bot.. Same as Labrador tea.
 Marsh trefoil. Bot. Same as Buckbean.
 Marsh wren Zool., any species of small American wrens of the genus Cistothorus, and allied genera.  They chiefly inhabit salt marshes.

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