/ Dictionary / Index O open-timbered: Meaning and Definition of Find definitions for: o•pen-tim•bered Pronunciation: (ō'pun-tim'burd), [key] — adj. constructed so that the timbers are exposed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open system open trailer Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language