A large and voracious shark (Alopias vulpes), remarkable for the great length of the upper lobe of its tail, with which it beats, or thrashes, its prey
Called also fox shark, sea ape, sea fox, slasher, swingle-tail, and thrasher shark
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed a farm machine for separating seeds or grain from the husks and straw
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed