King Kong, e.g. (7)
(Other definitions for ape that I've seen before include "Simulate" , "Our cousin" , "Imitate, clumsy person (colloq.)" , "Large primate" , "Closely follow" .)
(Other definitions for gorilla that I've seen before include "Ape - aggressive muscleman" , "Big ape" , "Aggressive-looking type" , "big mammal" , "A large powerful African ape" .)
(Other definitions for simian that I've seen before include "Monkey, say," , "Monkey-like" , "Relating to monkeys" , "Primate" , "Ape-like - in Siam (anag)" .)