/ Dictionary / Index O open quote: Meaning and Definition of Find definitions for: o'pen quote' Pronunciation: [key] the quotation mark used to begin a quotation (“ or "). (used by a speaker to signify that a quotation will follow). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open primary open-reel tape Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language