Definitions
1.noun(whaling) A floating object attached to the end of a harpoon line to slow a whale down and prevent it from diving.
2.nounA type of bag pulled behind a boat to stop it from broaching to.
3.nounA conical parachute used as a brake for some kinds of aircraft, or as a means of extracting and deploying a larger parachute.
4.nounA conical basket or device used variously as a target for gunnery practice, and as a docking point for aerial refuelling.
5.nounA wind cone.