nutria n 1: aquatic South American rodent resembling a small beaver; bred for its fur [syn: {coypu}, {nutria}, {Myocastor coypus}]
Nutria \Nu"tri*a\, n. [Sp. nutria an otter, fr. L. lutra, lytra.] The fur of the coypu. See {Coypu}. [1913 Webster]
Coypu \Coy"pu\ (koi"p??), n. [Native name.] (Zool.) A South American rodent ({Myopotamus coypus}), allied to the beaver. It produces a valuable fur called {nutria}. [Written also {coypou}.] [1913 Webster]