'Thrash' definitions:

Definition of 'thrash'

From: WordNet
noun
A swimming kick used while treading water
verb
Give a thrashing to; beat hard [syn: thrash, thresh, lam, flail]
verb
Move or stir about violently; "The feverish patient thrashed around in his bed" [syn: convulse, thresh, thresh about, thrash, thrash about, slash, toss, jactitate]
verb
Dance the slam dance [syn: slam dance, slam, mosh, thrash]
verb
Beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all
verb
Move data into and out of core rather than performing useful computation; "The system is thrashing again!"
verb
Beat the seeds out of a grain [syn: thrash, thresh]
verb
Beat thoroughly and conclusively in a competition or fight; "We licked the other team on Sunday!" [syn: cream, bat, clobber, drub, thrash, lick]

Definition of 'Thrash'

From: GCIDE
  • Thrash \Thrash\, Thresh \Thresh\, v. t.
  • 1. To practice thrashing grain or the like; to perform the business of beating grain from straw; as, a man who thrashes well. [1913 Webster]
  • 2. Hence, to labor; to toil; also, to move violently. [1913 Webster]
  • I rather would be Maevius, thrash for rhymes, Like his, the scorn and scandal of the times. --Dryden. [1913 Webster]

Definition of 'Thrash'

From: GCIDE
  • Thrash \Thrash\, Thresh \Thresh\, v. t. [imp. & p. p. Thrashed; p. pr. & vb. n. Thrashing.] [OE. [thorn]reschen, [thorn]reshen, to beat, AS. [thorn]erscan, [thorn]rescan; akin to D. dorschen, OD. derschen, G. dreschen, OHG. dreskan, Icel. [thorn]reskja, Sw. tr["o]ska, Dan. t[ae]rske, Goth. [thorn]riskan, Lith. traszketi to rattle, Russ. treskate to burst, crackle, tresk' a crash, OSlav. troska a stroke of lighting. Cf. Thresh.]
  • 1. 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. [1913 Webster]
  • The wheat was reaped, thrashed, and winnowed by machines. --H. Spencer. [1913 Webster]
  • 2. To beat soundly, as with a stick or whip; to drub. [1913 Webster] Thrash