/ Dictionary / Index O Osborn: Meaning and Definition of Find definitions for: Os•born Pronunciation: (oz'burn), [key] — n. 1857–1935, U.S. paleontologist and author. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Osbert Osborne Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language