Luff in a sentence as a noun

Because this happens as the flow moves downstream, more work is done on the flow the farther you get from the luff, and the higher the pressure gets.

Luff definitions

noun

(nautical) the forward edge of a fore-and-aft sail that is next to the mast

noun

the act of sailing close to the wind

verb

sail close to the wind

See also: point

verb

flap when the wind is blowing equally on both sides; "the sails luffed"