/ Dictionary / Index S subchairman: Meaning and Definition of Find definitions for: sub•chair•man Pronunciation: (sub-châr'mun), [key] — pl. -men. a subordinate or substitute chairman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subch. subchapter Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language