/ Dictionary / Index O Osipenko: Meaning and Definition of Find definitions for: O•si•pen•ko Pronunciation: (os"u-peng'kō Russ. u-syi-pyen'ku), [key] — n. former name of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. osier Osiris Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language