any of several species of large tailless or short-tailed primates belonging to the group which includes gorillas, chimpanzees, orang-utans, and gibbons: families Pongidae and Hylobatidae
informal a monkey of any kind
archaic a crass imitator
Every genius has his apes
informal a large and clumsy or ill-mannered person
go ape
to run amok; to lose control
apelike adj
[Old English apa]