Definition of great ape
: any of several large primates (as the orangutan, gorilla, or chimpanzee) that are either placed in the same family (Hominidae) as humans or are grouped in a separate family (Pongidae)
First Known Use of great ape
Medical Definition of great ape
: any of the recent anthropoid apes that belong to the family Pongidae and include the gorilla, orangutan, and chimpanzees
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