- the only member (Myocastor coypus) of a family (Myocastoridae) of South American water-dwelling rodents with webbed feet and a long, almost hairless tail; coypu
- its short-haired, soft, brown fur, often dyed to look like beaver
Origin of nutriaSpanish from Classical Latin lutra, otter, altered (with l- after lutum, mire) from Indo-European an unverified form udros, water animal: see otter
nounpl. nutria, or nu·tri·as
- A large semiaquatic rodent (Myocastor coypus) native to South America, having webbed feet and a long tail. It is widely raised for fur and has formed wild populations especially in the southern United States.
- The light brown fur of the nutria. Also called In both senses also called coypu .
Origin of nutriaAmerican Spanish otter, coypu from Spanish otter from Old Spanish from Latin lutra ( probably influenced by Greek enudris otter ); see wed-1 in Indo-European roots.
- (chiefly North America) The coypu, Myocastor coypus.