/ Dictionary / Index S side chair: Meaning and Definition of Find definitions for: side' chair" Pronunciation: (sīd'châr"). [key] a straight-backed chair without arms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. side chain sidecheck Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language