v 1: move or stir about violently; The feverish patient thrashed
around in his bed" [syn: convulse, thresh about, thrash, thrash about, slash, toss]
2: move like a flail; thresh about; "Her arms were flailing"
[syn: flail]
3: beat the seeds out of a grain; in agriculture [syn: thrash]
4: give a thrashing to; beat hard [syn: thrash, lam, flail]