- a person or thing that thrashes.
- any of several long-tailed, thrushlike birds, especially of the genus Toxostoma, related to the mockingbirds.Compare brown thrasher.
- thresher(def 2).
- another name for thresher (def. 3)
- any of various brown thrushlike American songbirds of the genus Toxostoma and related genera, having a long downward-curving bill and long tail: family Mimidae (mockingbirds)