Home › Words › L › leechlineleechlineleechline · noun — A line attached to the leech ropes of sails, passing up through blocks on the yards, to haul the leeches by.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom leech + line.nounA line attached to the leech ropes of sails, passing up through blocks on the yards, to haul the leeches by.e.g.““Cast off the topsail sheets, clew garnets, leechlines and buntlines!” The order came thinly through the roar of the wind.” — 1923, Charles Boardman Hawes, The Dark Frigate, Chapter 8:Definitions & examples from Wiktionary (CC BY-SA 3.0).