Entry 1 sense Webster, 1913 Thresh /thrĕsh/ · IPA /θɹɛʃ/ 01 v. t. & i. Same as Thrash. imp. & p. p. Threshed; p. pr. & vb. n. Threshing 1. Same as Thrash. See: Thrash “He would thresh, and thereto dike and delve.” — Chaucer.