a large, canvas-covered frame, usually conical, let out from a ship as a drag or float to reduce drifting or to keep the ship heading into the wind
A drag, usually a canvas-covered conical frame, deployed in the water upwind of a vessel to slow its drift or to maintain a desired heading. Also called drogue.
(plural sea anchors)
- (nautical) A parachute-like device designed to slow down the speed of a drifting ship or boat.