/ Dictionary / Index O open-shelf: Meaning and Definition of Find definitions for: o•pen-shelf Pronunciation: (ō'pun-shelf'), [key] — adj. open-stack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open sesame open shop Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language