Meaning of thresh

thresh

1. 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.
2. to beat as if with a flail.

1. to thresh wheat, grain, etc.
2. to deliver blows as if with a flail.
3. See(def. 8).

1. the act of threshing.