/ Dictionary / Index Z Z-bar: Meaning and Definition of Find definitions for: Z-bar Pronunciation: (zē'bär"), [key] — n. a steel bar with a-shaped section, used in building construction. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. za-zen ZBB Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language