/ Dictionary / Index H hamadryas baboon: Meaning and Definition of Find definitions for: ham•a•dry'as baboon' Pronunciation: (ham"u-drī'us), [key] a baboon, Papio (Comopithecus) hamadryas, of Ethiopia, the male of which has a mantle of long, dark hair about the head and shoulders: held sacred by the ancient Egyptians. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hamadryad hamal Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language