/ Dictionary / Index O osier: Meaning and Definition of Find definitions for: o•sier Pronunciation: (ō'zhur), [key] — n. any of various willows, as the red osier, having tough, flexible twigs or branches that are used for wickerwork. a twig from such a willow. any of various North American dogwoods. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osier (Thesaurus) Oshogbo Osipenko Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language