Tree-dwelling mammal (3)

I believe the answer is:
ape
(Other definitions for ape that I've seen before include "Simian - copy" , "Large primate" , "Send up" , "Anthropoid primate" , "gorilla" .)
I believe the answer is:
ape
(Other definitions for ape that I've seen before include "Simian - copy" , "Large primate" , "Send up" , "Anthropoid primate" , "gorilla" .)