Breadcrumb Home > Dictionary > Index T thatch: Meaning and Definition of Find definitions for: thatch Pronunciation: (thach), [key] —v.t. to cover with or as if with thatch. to remove thatch from (a lawn); dethatch. Thatch Pronunciation: (thach), [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thatch (Thesaurus) thataway thatcher ✖ Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language