thrasher

definition: large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
example:
speech part: noun
synonyms: thresher
definition: thrush-like American songbird able to mimic other birdsongs
example:
speech part: noun
synonyms: mocking thrush
definition: a farm machine for separating seeds or grain from the husks and straw
example:
speech part: noun
synonyms: thresher

How thrasher is being used?