Definitions for "Downhaul"
Keywords:  spar, luff, gooseneck, sail, spinnaker
A rope to haul down, or to assist in hauling down, a sail; as, a staysail downhaul; a trysail downhaul.
1. A line or tackle used to pull down on a sail or spar; 2. A control line that adjusts and tensions the luff of a sail
A fitting or control at the tack of a sail that tightens the luff; also, a control line to pull down the main boom when it has a sliding gooseneck.