имя существительное [зоология] грызун
noun Etymology: ultimately from Latin rodent-, rodens, present participle of rodere to gnaw; akin to Latin radere to scrape, scratch, Sanskrit radati he gnaws 1. any of an order (Rodentia) of relatively small gnawing mammals (as a mouse, squirrel, or beaver) that have in both jaws a single pair of incisors with a chisel-shaped edge 2. a small mammal (as a rabbit or a shrew) other than a true rodent • rodent adjective