Contributors in General boating
General boating
leeway
Boat; General boating
The amount that a ship is blown leeward by the wind. See also weatherly.
leech
Boat; General boating
The aft or trailing edge of a fore-and-aft sail; the leeward edge of a spinnaker; a vertical edge of a square sail. The leech is susceptible to twist, which is controlled by the boom vang, mainsheet ...
spanker-mast
Boat; General boating
The aft-most mast of a fore-and-aft or gaff-rigged vessel such as schooners, barquentines, and barques. A full-rigged ship has a spanker sail but not a spanker-mast (see Jigger-mast).
propeller walk or prop walk
Boat; General boating
tendency for a propeller to push the stern sideways. In theory a right hand propeller in reverse will walk the stern to port.