/ Dictionary / Index O osteal: Meaning and Definition of Find definitions for: os•te•al Pronunciation: (os'tē-ul), [key] — adj. osseous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osteal (Thesaurus) oste- ostectomy Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language