The Oxford Thesaurus An A-Z Dictionary of Synonyms - lash° n.

1) whip, scourge, cat-o'-nine-tails, cat, quirt, knout, bull-whip, thong; rope's end: The bosun gave him twenty of the best with his lash. 2) stroke, blow, strike, slash, cut: Few could stand up after five lashes with his whip. --v. 3) flog, beat, thrash, switch, whip, scourge, horsewhip, lambaste, flail, smite, thwack, Colloq whack: Any boy was liable to be lashed for the most trivial misdemeanour. 4) lash out. attack, flay, lambaste, belabour, punish; criticize, berate, scold: She often lashes out at her critics quite virulently.