Leach—The after edge of a sail.
Leeward—The direction toward which the wind is blowing.
Long leg—The tack upon which a vessel in beating to windward remains longest, owing to her point of destination not lying directly in the wind. See diagram.
Log—The record kept of a vessel’s work. A ship’s diary. Also an instrument for ascertaining a vessel’s speed through the water.
Luff—The fore edge of a sail, also an order to bring a vessel closer to the wind.
Lying-to—A vessel is lying-to when she is brought close to the wind under short sail and allowed to ride out a storm. See hove-to.
Moor—To anchor a vessel with two or more anchors. To tie up to a mooring.
Mooring—A permanent anchor.
Near—A vessel is said to be near when her sails are not properly full of wind, owing to her being steered too close.
Miss-stay—To fail to tack or go about.