thrash

1. (countable) A beat or blow; the sound of beating.Examples: "Even among friends at the dinner-table he talked as though he were denouncing them, or someone else, on a platform; he measured his phrases, built his sentences, cumulated his effects, and pounded his opponents, real or imagined. His humor was glow, like iron at dull heat; his blow was elementary, like the thrash of a whale."; "As he reeled on wide-braced legs, sobbing for breath, the jungle and the moon swimming bloodily to his sight, the thrash of bat-wings was loud in his ears."; "Spinning full-circle, the aircraft careered out of control. It bounced twice on the waves, each time managing to free itself from the engulfing spray with vigorous thrashes of its one good wing."countable

2. (music, uncountable) Ellipsis of thrash metal.abbreviationalt-ofellipsisuncountable