1. (v. t.) 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.

2. (v. t.) To beat soundly, as with a stick or whip; to drub.

3. (v. t.) To practice thrashing grain or the like; to perform the business of beating grain from straw; as, a man who thrashes well.

4. (v. t.) Hence, to labor; to toil; also, to move violently.

5. (v. t. & i.) Same as Thrash.

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