Meaning of luff

Definition of luff

(noun) (nautical) the forward edge of a fore-and-aft sail that is next to the mast
the act of sailing close to the wind
(adj) capable of thinking and expressing yourself in a clear and consistent manner; "a lucid thinker"; "she was more coherent than she had been just after the accident"
(verb) flap when the wind is blowing equally on both sides; "the sails luffed"

Other information on luff

WIKIPEDIA results for luff
Amazon results for luff