/ Dictionary / Index D doorjamb: Meaning and Definition of Find definitions for: door•jamb Pronunciation: (dôr'jam", dōr'-), [key] — n. either of the two sidepieces of a doorframe. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: doorjamb (Thesaurus) door jack doorkeeper Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language