/ Dictionary / Index J jamb: Meaning and Definition of Find definitions for: jamb Pronunciation: ( jam), [key] — n. either of the vertical sides of a doorway, arch, window, or other opening. either of two stones, timbers, etc., forming the sidepieces for the frame of an opening. greave. jamb Pronunciation: ( jam), [key] — v.t., v.i. Obs. jam. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jamb (Thesaurus) Jamal ud-Din jambalaya Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language