Washoe

[ wosh-oh, waw-shoh ]
/ ˈwɒʃ oʊ, ˈwɔ ʃoʊ /
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noun

b. 1965, female chimpanzee, first ape trained to communicate with humans by means of a sign language.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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