/ Dictionary / Index S switch grass: Meaning and Definition of Find definitions for: switch' grass" Pronunciation: [key] a North American grass, Panicum virgatum, having an open, branching inflorescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. switchgear switch-hit Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language