Real Dictionary

gorilla
countable noun: A gorilla is a very large ape. It has long arms, black fur, and a black face.

gorilla in American English
the largest, and most powerful of the great apes (Gorilla gorilla), native to the jungles of equatorial Africa: the adult male weighs up to 225 kg (c. 500 lb): it is generally shy, intelligent, and vegetarian
noun: the largest of the anthropoid apes, Gorilla gorilla, terrestrial and vegetarian, of western equatorial Africa and the Kivu highlands, comprising the subspecies G. g. gorilla (western lowland gorilla), G. g. graueri ( eastern lowland gorilla), and G. g. be

gorilla in British English
noun: the largest anthropoid ape, Gorilla gorilla, inhabiting the forests of central W Africa. It is stocky and massive, with a short muzzle and coarse dark hair