Main Entry: hama·dry·as baboon

Pronunciation: \ˌha-mə-ˈdrī-əs-\

Function: noun

Etymology: New Latin hamadryas, from Latin

Date: circa 1890

: a baboon (Papio hamadryas) that has a reddish-pink muzzle and a large bare patch of pink skin on each buttock and that was venerated by the ancient Egyptians —called also sacred baboon