/ Dictionary / Index H heath grass: Meaning and Definition of Find definitions for: heath' grass" Pronunciation: [key] a European grass, Sieglingia decumbens, growing in spongy, wet, cold soils. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heath family heath hen Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language