The windward, luff, corner is secured by a sheet often called a preventer.
From the en.wikipedia.org
Luff has always paid the rent with a varied catalogue of car-related jobs.
From the smh.com.au
Its luff runs down the mast and is normally attached to the mast for its entire length.
From the en.wikipedia.org
Most shape is given to the sail by a very strong downhaul, bending the mast in the luff tube.
From the en.wikipedia.org
Luff was a youthful whiz in the one-make Mirage Cup, winning the series outright in 1999 and 2000.
From the smh.com.au
Don't know the difference between a leech and a luff?
From the chron.com
All modern gliders have built-in dive recovery mechanisms such as luff lines in kingposted gliders.
From the en.wikipedia.org
Skipper Dean Barker said he had to luff to avoid a couple of spectator boats and lifted a hull to avoid the official boat.
From the nzherald.co.nz
The leading edge of a sail is called the luff.
From the en.wikipedia.org
More examples
Sail close to the wind
(nautical) the forward edge of a fore-and-aft sail that is next to the mast
Flap when the wind is blowing equally on both sides; "the sails luffed"
In sailing the parts of a sail have common terminology for each corner and edge of the sail.
In sailing, luffing refers to when a sailing vessel is steered far enough toward the direction of the wind ("windward"), or the sheet controlling a sail is eased so far past optimal trim, that airflow over the surfaces of the sail is disrupted and the sail begins to "flap" or "luff" (the luff of ...
Luffness is a hamlet in East Lothian, Scotland. It lies between the towns of Gullane and Aberlady and is approximately 20 miles east of Edinburgh.
The vertical edge of a sail that is closest to the direction of the wind; To shake due to being trimmed improperly; To alter course to windward so that the sails luff. ...
(Luffing) A description of a flapping motion along the luff (leading edge) of a sail. A sail begins to luff when the air flow stalls when traveling across the sail. Luffing is a sign that the sail is not properly trimmed or that the boat is trying to sail too close to the eye of the wind (pinching.)