/ Dictionary / Index O oaktag: Meaning and Definition of Find definitions for: oak•tag Pronunciation: (ōk'tag"), [key] — n. tagboard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oak-root rot oakum Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language