• WordNet 3.6
    • v luff flap when the wind is blowing equally on both sides "the sails luffed"
    • v luff sail close to the wind
    • n luff the act of sailing close to the wind
    • n luff (nautical) the forward edge of a fore-and-aft sail that is next to the mast
    • ***
Webster's Revised Unabridged Dictionary
    • n Luff lŭf (Naut) The side of a ship toward the wind.
    • Luff (Naut) To flutter or shake from being aligned close to the direction of the wind; -- said of a sail.
    • Luff (Naut) To turn the head of a vessel toward the wind; to sail nearer the wind; to turn the tiller so as to make the vessel sail nearer the wind.
    • ***
Century Dictionary and Cyclopedia
    • n luff A variant of loof.
    • n luff The wooden case in which the light is carried in the sport of lowbelling.
    • n luff Nautical
    • n luff The fullest and broadest part of a vessel's bow; the loof.
    • n luff The weather-gage, or part of a ship toward the wind.
    • n luff The sailing of a ship close to the wind.
    • n luff The weather part of a fore-and-aft sail, or the side next the mast or stay to which it is attached.
    • n luff A luff-tackle.
    • luff Naut., to bring the head of (a vessel) nearer to the wind.
    • luff To steer or come nearer to the wind.
    • n luff Lieutenant: as, he is first luff.
    • luff To lift (the boom of a derrick).
    • ***
Chambers's Twentieth Century Dictionary
    • n Luff luf the windward side of a ship: the act of sailing a ship close to the wind: the loof
    • v.t Luff to turn a ship towards the wind
    • ***


Webster's Revised Unabridged Dictionary
OE. lof, prob. a sort of timber by which the course of a ship was directed, perh. a sort of paddle; cf. D. loef, luff, loeven, to luff. The word is perh. akin to E. glove,. Cf. Aloof


In literature:

First, get a pull on the braces; we must luff all we can, to get through yonder passage.
"The Pirate of the Mediterranean" by W.H.G. Kingston
At last one of them shouted out, `Luff, luff.
"Dick Cheveley" by W. H. G. Kingston
She keeps her luff, and is shooting out again into clear water.
"Hurricane Hurry" by W.H.G. Kingston
We had to luff up a little to reach her.
"Paddy Finn" by W. H. G. Kingston
By keeping our luff we were quickly up to them.
"Will Weatherhelm" by W.H.G. Kingston
The Frenchman perceiving this sheered off, and springing his luff, shot ahead clear of us.
"The Privateersman" by Frederick Marryat
I have no longer pride; but only I luff.
"Shorty McCabe" by Sewell Ford
I began to fear that the ship would be right over us, when presently we saw her luff up.
"Tales of the Sea" by W.H.G. Kingston
Luff a bit, steady, it's right ahead.
"Picked up at Sea" by J.C. Hutcheson
Love, Luff, occurs generally as a personal name, hence the dim.
"The Romance of Names" by Ernest Weekley

In poetry:

We did not luff and we did nor wear,
But braced our topsails back,
Till the steinway drew us fair and true
Broadsides athwart her track.
"The Constitution's Last Fight" by James Jeffrey Roche
Take courage, aunt, and send your stuff
To Geoffrey Grigson with my luff,
And may I yet live to admire
How well your poems light the fire.
"A Letter To My Aunt" by Dylan Thomas
“Starboard and larboard we've got him fast
Where his heels won’t take him through;
Let him luff or wear, he'll find us there—
Ho, Yankee, which will you do?”
"The Constitution's Last Fight" by James Jeffrey Roche
Luff up, boys! clew up, and furl every sail;
Clear the cables—let all fly, and clew;
Though rocks are a-lee, she will laugh at the gale,
For our ship has a Temperance crew.
"The Temperance Crew" by John Pierpont
A curve! a curve! the dangers grow!
Hard-a-port, Dol!—hellum-a-lee!
Haw the head mule!—the aft one gee!
Luff!—bring her to the wind!"
"The Aged Pilot Man" by Mark Twain

In news:

Jonathan Luff joining from Downing Street .
Nov 1, 2012 John Luff Broadcast Engineering.
Anna May Luff Carroll passed away peacefully on July 1, 2012 at Cadbury at Lewes.
Kenneth Wayne Luff , 63, of Jonesboro, formerly of Caraway, departed this life Wednesday, April 27, 2011, at NEA Baptist Memorial Hospital.
Vera Mae Luff , 84, of Caraway died at St Bernards Medical Center in Jonesboro on Saturday, Aug 23, 2008.
She was the daughter of Clayton Hancock and Nellie Melvin Luff .
Jonathan Luff joining from Downing Street.
Nov 1, 2010 John Luff Broadcast Engineering.
There is no backstay, but a mast jack controlled by the boat's multi-purpose running-rigging system adjusts rig tension, and the furling jib can be adjusted for luff tension.
Sabot and Laser sailors head out for Luff-In races May 20.

In science:

A subcategory of C is called luff if it has the same set of ob jects.
A general context for Goodwillie Calculus