The ape genus.
pi-th[=e]'kus, n. a name formerly used by zoologists for various groups of apes and monkeys.--ns. PITHECANTHR[=O]'PI, hypothetical ape-men; PITH[=E]'CIA, the genus of South American monkeys which includes the Sakis and allied species.--adj. PITH[=E]'COID. [L.,--Gr. pith[=e]kos, an ape.]