Dôr'mouse, n.

n.; pl. DÔR'MĪCE. [Lat. dormire, Fr. dormir, to sleep, Prov. Eng. dorm, to doze; and mouse, q. v.] (Zoöl.) A small rodent mammal of the genus Myoxus, which lives on trees like the squirrel, and feeds on acorns, nuts, &c.;—so called because, as cold weather comes on, it retires to its nest, and is usually torpid during the winter. Baird.