DICT.TW Dictionary Taiwan

 Thrash Thresh, v. t. [imp. & p. p. Thrashed p. pr. & vb. n. Thrashing.]
 1. To beat out grain from, as straw or husks; to beat the straw or husk of (grain) with a flail; to beat off, as the kernels of grain; as, to thrash wheat, rye, or oats; to thrash over the old straw.
    The wheat was reaped, thrashed, and winnowed by machines.   --H. Spencer.
 2. To beat soundly, as with a stick or whip; to drub.