thresh

definition: give a thrashing to
example:
speech part: verb
synonyms: lam
definition: beat the seeds out of a grain
example:
speech part: verb
synonyms: thrash
definition: move or stir about violently
example:
speech part: verb
synonyms: toss
definition: move like a flail
example: thresh about
speech part: verb
synonyms: flail

How thresh is being used?