Luff

By easing the halyard, the luff of the sail was made to sag to leeward.

"The man at the helm was watching the luff of the sail and whistling away gently to himself."

I thought how my life is like a little boat and I must hold the tiller steady against the buffeting of wind and waves, and how sometimes, like this morning, I lose my hold somehow and the sail luffs helplessly and the little vessel wallows, turning this way and that in the swell.

"Helm there! Luff, luff a point! So; steady, man, steady!"

The tower is mounted on a slewing platform, which also carries the power plant and the counterweights, while the jib is supported and luffed by fixed pendant ropes.