definition of
thresh

[1] #1 thresh v. [convulse, thresh about, thrash, thrash about, slash, toss, jactitate] move or stir about violently; "The feverish patient thrashed around in his bed". wn

[2] #2 thresh v. [flail] move like a flail; thresh about; "Her arms were flailing". wn

[3] #3 thresh v. [thrash] beat the seeds out of a grain. wn

[4] #4 thresh v. [thrash, lam, flail] give a thrashing to; beat hard. wn