verb To separate the grain from the straw or husks (chaff) by mechanical beating, with a flail or machinery, or by driving animals over them. To be so separated, or to be capable of being so separated.
verb To be so separated, or to be capable of being so separated.
verb To beat soundly, usually with some tool such as a stick or whip; to drub.
verb To violently toss the limbs about.
verb To belabor; to go over repeatedly, especially an argument.
verb To drive through adverse conditions (wind, waves).