Definiciones
1.NounA spar formerly used on board of ships, as a crane to hoist the flukes of the anchor to the top of the bow, without injuring the sides of the ship.
2.NounA crane, often working in pairs and usually made of steel, used to lower things over an edge of a long drop off, such as lowering a maintenance trapeze down a building or launching a lifeboat over the side of a ship.