noun (n)

• a farm machine for separating seeds or grain from the husks and straw(noun.artifact)

  Synonym:
  thrasher, threshing machine
  

  source: wordnet30
• large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed(noun.animal)

  Synonym:
  alopius vulpinus, fox shark, thrasher, thresher shark
  

  source: wordnet30
• Same as Thrasher.(noun)

  source: webster1913