Definition of nutria
1
: the durable usually light brown fur of a nutria
2
: a large South American semiaquatic rodent (Myocastor coypus) with webbed hind feet and a round nearly hairless tail that has been introduced into parts of Europe, Asia, and North America
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Merriam-Webster unabridged
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Time Traveler for nutria
The first known use of nutria was in 1811
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