An implement used for threshing grain; a flail. English regional (western), Welsh English (Pembrokeshire and Gower), and Irish English (Wexford) in…

An instrument for threshing corn by hand, consisting of a wooden staff or handle, at the end of which a stouter and shorter pole or club, called a…

Used with etymological allusion for flail, n. adj.

General use as a modifier (in sense 2b), as in threshing barn, threshing flail, etc.