Definition of

Rodent

  1. (noun, animal) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

via WordNet, Princeton University

Synonyms of Rodent

gnawer

Origin of the word Rodent

  1. 1835, from Mod.L. rodentia, the order name, from L. rodentem (nom. rodens), prp. of rodere "to gnaw, eat away," from PIE base *red- "to scrape, scratch, gnaw" (cf. Skt. radati "scrapes, gnaws," radanah "tooth;" L. radere "to scrape;" Welsh rhathu "scrape, polish"). Uncertain connection to O.E. r?tt (see rat). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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