/ Dictionary / Index O ostectomy: Meaning and Definition of Find definitions for: os•tec•to•my Pronunciation: (o-stek'tu-mē), [key] — pl. -mies. excision of part or all of a bone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. osteal Osteichthyes Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language