Meaning of thrash

Definition of thrash

(noun) a swimming kick used while treading water
(verb) give a thrashing to; beat hard
move or stir about violently; "The feverish patient thrashed around in his bed"
beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all
move data into and out of core rather than performing useful computation; "The system is thrashing again!"
beat the seeds out of a grain
(noun) green algae common in freshwater lakes of limestone districts

Other information on thrash

WIKIPEDIA results for thrash
Amazon results for thrash