thrash
Cross references:
1. swing
1. thrash \'thrash\ vb [alter. of thresh] 1: to separate the seeds of from
the husks and straw by beating : THR ESH 2: to beat soundly with or as if
with a stick or whip : FLOG; a lso : DEFEAT 3: to swing, beat, or strike in
the manner of a rapidly moving flail {R@ing his arms} 4a: to go over again
and again {~ the matter over inconclusively> 4b: to hammer out : FORGE {~
out a plan} 1: THRESH 1 2: to deal blows or strokes like one using a
flail or whip 3: to move or stir about violently : toss about {~ in bed
with a fever}
2. thrash n : an act of thrashing esp. in swimming the crawl or the
backstroke