n A hostile or predatory incursion; an inroad or incursion of mounted men; a sudden and rapid invasion by a cavalry force; a foray.
n An attack or invasion for the purpose of making arrests, seizing property, or plundering; as, a raid of the police upon a gambling house; a raid of contractors on the public treasury.
n (online gaming) A large group in a massively multiplayer online game, consisting of multiple party|parties who team up to defeat a powerful enemy.