- One who, or that which, thrashes grain; a thrashing
machine. - 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. It is found both upon the American and
the European coasts. Called also fox shark, sea ape, sea fox, slasher,
swingle-tail, and thrasher shark. - A name given to the brown thrush and other allied
species. See Brown thrush. - Same as Thrasher.