Any of various long-eared, short-tailed, burrowing mammals of the family Leporidae, as the commonly domesticated Old World species Oryctolagus cuniculus or the cottontail.

• 兔:一种长耳、短尾、穴居的兔科哺乳动物,如通常已驯化的欧洲种家兔或野兔。