/ Dictionary / Index T tussock: Meaning and Definition of Find definitions for: tus•sock Pronunciation: (tus'uk), [key] — n. a tuft or clump of growing grass or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tussock (Thesaurus) tussle tussock caterpillar Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language