towline

A line used in towing a vessel or vehicle.

A hawser used for towing vessels. Also towing-rope.

In whaling, the long line which is attached to the toggle-iron or harpoon, and by means of which the whale is made fast to the boat, and may tow it. Also tow-rope.

A line used to tow vessels; a towrope.

A line or rope used for towing a vehicle

(nautical) a rope used in towing