RhymeZone: thrasher definitions

Definitions of thrasher:

noun: thrush-like American songbird able to mimic other birdsongs
noun: large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
noun: a farm machine for separating seeds or grain from the husks and straw
name: A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2529)