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thresher (n.)
late 14c., agent noun from thresh. The thresher shark (c. 1600) so called for its long upper "tail," which resembles a threshing tool. The Greek for it was alōpēx, literally "fox," also for the tail.
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late 14c., agent noun from thresh. The thresher shark (c. 1600) so called for its long upper "tail," which resembles a threshing tool. The Greek for it was alōpēx, literally "fox," also for the tail.