A large African monkey (Theropithecus gelada) of Ethiopia that resembles a baboon but has a bright patch of naked red skin on the chest and a large broad mane covering the shoulders. The gelada has an opposable thumb that it uses to gather grass seeds to eat.
An Ethiopian baboon (Theropithecus gelada) characterized by a bare red patch on the chest.
A species of Old World monkey, Theropithecus gelada, distinguished from baboons by the bright patch of skin on their chests.
Other Word Forms
Origin of gelada
American Heritage Dictionary of the English Language, 5th Edition