Definition of raid

• 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.
• v. t. - To make a raid upon or into; as, two regiments raided the border counties.