—n.
1 the edge of the fore-and-aft sail next to the mast or stay.
2 Brit. the broadest part of the ship's bow where the sides begin to curve in.
—v.tr. (also absol.)
1 steer (a ship) nearer the wind.
2 turn (the helm) so as to achieve this.
3 obstruct (an opponent in yacht-racing) by sailing closer to the wind.
4 raise or lower (the jib of a crane or derrick).
Etymology: ME lo(o)f f. OF lof, prob. f. LG
Useful english dictionary. 2012.