Luff

Part of speech: noun (n.)

1. The side of a ship toward the wind.

2. The act of sailing a ship close to the wind.

3. The roundest part of a ship's bow.

4. The forward or weather leech of a sail, especially of the jib, spanker, and other fore-and-aft sails. Luff tackle, a purchase composed of a double and single block and fall, used for various purposes. Totten. -- Luff upon luff, a luff tackle attached to the fall of another luff tackle. R. H. Dana, Jr.

Part of speech: verb (v.)

To turn the head of a vessel toward the wind; to sail nearer the wind; to turn the tiller so as to make the vessel sail nearer the wind. To luff round, or To luff alee, to make the extreme of this movement, for the purpose of throwing the ship's head into the wind.