Water cavy \Wa"ter ca"vy\ (Zo["o]l.)
The capybara.
Cavy \Ca"vy\, n.; pl. {Cavies}. [NL. cavia, fr. Brazilian
cabiai: cf. F. cabiai.] (Zo["o]l.)
A rodent of the genera {Cavia} and {Dolichotis}, as the
guinea pig ({Cavia cobaya}). Cavies are natives of South
America.
{Water cavy} (Zo["o]l.), The capybara.