/ Dictionary / Index O Oken: Meaning and Definition of Find definitions for: O•ken Pronunciation: (ō'kun), [key] — n. (Lorenz Ockenfuss), 1779–1851, German naturalist and philosopher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oken (Thesaurus) O'Kelley okey-doke Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language