CAPYBARA

capybara, capibara, Hydrochoerus hydrochaeris

(noun) pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent

Source: WordNet® 3.1

Etymology

Noun

capybara (plural capybaras)

A semi-aquatic South American rodent, Hydrochoerus hydrochaeris, the largest living rodent.

Source: Wiktionary

Ca`py*ba"ra, n. Etym: [Sp. capibara, fr. the native name.] (Zoöl.)

Definition: A large South American rodent (Hydrochærus capybara) Living on the margins of lakes and rivers. It is the largest extant rodent, being about three feet long, and half that in height. It somewhat resembles the Guinea pig, to which it is related; -- called also cabiai and water hog.

Source: Webster’s Unabridged Dictionary 1913 Edition