Breadcrumb Home > Dictionary > Index T Cite thresh: Meaning and Definition of Find definitions for: thresh Pronunciation: (thresh), [key] — v.t. to separate the grain or seeds from (a cereal plant or the like) by some mechanical means, as by beating with a flail or by the action of a threshing machine. to beat as if with a flail. —v.i. to thresh wheat, grain, etc. to deliver blows as if with a flail. See(def. 8). —n. the act of threshing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thresh (Thesaurus) threonine thresher TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: subrosa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language