/ Dictionary / Index T thicket: Meaning and Definition of Find definitions for: thick•et Pronunciation: (thik'it), [key] — n. a thick or dense growth of shrubs, bushes, or small trees; a thick coppice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thicket (Thesaurus) thickening thickhead Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language