a person or thing that thrashes
any of a group of gray to brownish American passerine birds (family Mimidae) with a long, stiff tail and a long bill, esp. the brown thrasher (Toxostoma rufum) of the E U.S.
Origin of thrashereastern; English dialect, dialectal thresher, probably akin to thrush
Any of various songbirds of the genus Toxostoma and other genera in the family Mimidae, found throughout the Americas and having a long tail, a long curved beak, and usually a brown head and back.
Origin of thrasherPerhaps from English dialectal thrusher, thresher variant of thrush 1 (perhaps influenced by thrash in reference to the bird's turning over leaf litter energetically with its beak when feeding )