(nautical) The vertical edge of a sail that is closest to the direction of the wind. / (nautical) The act of sailing a ship close to the wind. / (nautical) The roundest part of a ship's bow.

(nautical, of a sail, intransitive) To shake due to being trimmed improperly. / (nautical, of a boat, intransitive) To alter course to windward so that the sails luff. (Alternatively luff up)

plural of luff

Third-person singular simple present indicative form of luff

plural of Luff

A surname.

(nautical) To temporarily stop the movement of a rope through a block by jamming the sheave with the hauling rope; a pull on the rope releases it.

(nautical) A purchase composed of a double and single block and fall, used for various purposes.

(nautical) To ease the helm, and sail nearer to the wind than before; said of a vessel.

(nautical) To turn towards the wind so that the sails flap