Flail
Part of speech: verb
Definition: To beat using a flail or similar implement. To wave or swing vigorously To thresh.
Part of speech: noun
Definition: A tool used for threshing, consisting of a long handle with a shorter stick attached with a short piece of chain, thong or similar material. A weapon which has the (usually spherical) striking part attached to the handle with a flexible joint such as a chain.
Thresh
Part of speech: verb
Definition: To separate the grain from the straw or husks by mechanical beating, with a flail or machinery.To beat soundly, usually with some tool such as a stick or whip; to drub.