noun

• (military) A quick hostile or predatory incursion or invasion in a battle.
  "Marauding chief! his sole delight / The moonlight raid, the morning fight."
• (law enforcement) An attack or invasion for the purpose of making arrests, seizing property, or plundering.
  "a police raid of a narcotics factory"
• (sports) An attacking movement.
  "The athletic Walker, one of Tottenham's more effective attacking elements with his raids from right-back, made a timely intervention after Rose had been dispossessed and even Aaron Lennon was needed to provide an interception in the danger zone to foil another attempt by the Russians."
• (Internet slang) An activity initiated at or towards the end of a live broadcast by the broadcaster that sends its viewers to a different broadcast, primarily intended to boost the viewership of the receiving broadcaster. This is frequently accompanied by a message in the form of a hashtag that is posted in the broadcast's chat by the viewers.
  "Now that Twitch is making raids an official part of the platform, however, some streamers think the new feature will make it easier to participate in the positive aspects of raiding."

verb

• (transitive) To engage in a raid against.
  "The police raided the gambling den."
• (transitive) To lure from another; to entice away from.
• (transitive) To indulge oneself by taking from.
  "I raided the fridge for snacks."

noun

• (computing) Acronym of Redundant Array of Inexpensive (or Independent) Disks.