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
Seen and Heard
What made you want to look up great ape? Please tell us where you read or heard it (including the quote, if possible).