Tschego \Tsche"go\, n. [From a native name.] (Zo["o]l.) A West African anthropoid ape allied to the gorilla and chimpanzee, and by some considered only a variety of the chimpanzee. It is noted for building large, umbrella-shaped nests in trees. Called also {tscheigo}, {tschiego}, {nschego}, {nscheigo}.