Cruis"er (?), n. Specif.: (Nav.) A man-of-war less heavily armed and armored than a battle ship, having great speed, and generally of from two thousand to twelve thousand tons displacement.

Cruis"er (kr?"z?r), n. One who, or a vessel that, cruises; -- usually an armed vessel.

Cruis"er (?), n. Specif.: (Nav.) A man-of-war less heavily armed and armored than a battle ship, having great speed, and generally of from two thousand to twelve thousand tons displacement.

• A class of fast warships of medium tonnage, having a long cruising range but less armour and firepower than a battleship
  
• (US) A police patrol vehicle.
  
• One who attends cruises