/ Dictionary / Index O osseous: Meaning and Definition of Find definitions for: os•se•ous Pronunciation: (os'ē-us), [key] — adj. composed of, containing, or resembling bone; bony. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osseous (Thesaurus) osselet Osset Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language