cotton rat

noun

Definition of cotton rat

: any of a genus (Sigmodon) of small-eared, omnivorous rats that are found chiefly in grassy habitats from the U.S. and Mexico to Brazil, are sometimes destructive to crops (such as cotton, alfalfa, and corn), and have S-shaped molars — see hispid cotton rat

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First Known Use of cotton rat

1835, in the meaning defined above

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The first known use of cotton rat was in 1835

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