啮齿 nièchǐ rodent Definitions Defs Origin Strokes Stroke Words Sentences Sents 啮齿目 nièchǐmù Rodentia the order of rodents, including animals such as rats, mice, and squirrels啮齿动物 nièchǐdòngwù rodent rodent; any animal of the order Rodentia啮齿类 nièchǐlèi rodents rodents; the taxonomic group of mammals including mice, rats, and squirrels