Definitions of drogue:

• noun:   a parachute used to decelerate an object that is moving rapidly
• noun:   a funnel-shaped device towed as a target by an airplane
• noun:   restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind
• noun:   a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind