(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)

Third-person singular simple present indicative form of luff

plural of luff

A surname.

plural of Luff

(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 turn towards the wind so that the sails flap

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