mouse
1. mouse \'mau.s\ \'mi-s\ n or mice [ME, fr. OE mu-s; akin to OHG mu-s mouse, L mus, Gk ] pl mys mouse, muscle 1: any of numerous small rodents (as of the genus Mus) with pointed s nout, rather small ears, elongated body, and slender tail slang 2a: WOMAN 2b: a timid person 3: a dark-colored swelling caused by a blow; specif : a black eye 2. mouse \'mau.z\ vi 1: to hunt for mice 2: to search or move slyly obs 1a: BITE, GNAW 1b: to toy with roughly 2: to search for carefully