/ Dictionary / Index S shield back: Meaning and Definition of Find definitions for: shield' back" Pronunciation: [key] a chair back having a form resembling that of a somewhat heart-shaped medieval shield. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. shield shield bearer Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language