drogue /ˈdrog/
 風向指示筒,浮標
 Drogue n.
 1. Naut. See Drag, n., 6, and Drag sail, under Drag, n.
 ◄ ►
 drogue
      n 1: a funnel-shaped device towed as a target by an airplane
      2: a truncated cloth cone mounted on a mast; used (e.g., at
         airports) to show the direction of the wind [syn: windsock,
          sock, air sock, wind sleeve, wind cone]
      3: restraint consisting of a canvas covered frame that floats
         behind a vessel; prevents drifting or maintains the
         heading into a wind [syn: sea anchor]
      4: a parachute used to decelerate an object that is moving
         rapidly [syn: drogue chute, drogue parachute]