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luff 音标拼音: [l'ʌf] n. 逆风航行,纵帆的前缘,船首弯曲部
vt. 将船首朝上风
vi. 驶出上风 逆风航行,纵帆的前缘,船首弯曲部将船首朝上风驶出上风 luff n 1: ( nautical) the forward edge of a fore- and- aft sail that is next to the mast 2: the act of sailing close to the wind v 1: sail close to the wind [ synonym: { luff}, { point}] 2: flap when the wind is blowing equally on both sides; " the sails luffed" Loof \ Loof\ ( l[= oo] f or l[ u^] f; 277), n. [ See { Luff}.] [ Also written { luff}.] ( Naut.) ( a) Formerly, some appurtenance of a vessel which was used in changing her course; -- probably a large paddle put over the lee bow to help bring her head nearer to the wind. ( b) The part of a ship' s side where the planking begins to curve toward bow and stern. [ 1913 Webster]
Luff \ Luff\ ( l[ u^] f), v. i. [ imp. & p. p. { Luffed} ( l[ u^] ft); p. pr. & vb. n. { Luffing}.] 1. ( 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. [ 1913 Webster] 2. ( Naut.) To flutter or shake from being aligned close to the direction of the wind; -- said of a sail. [ PJC] { To luff round}, or { To luff alee}, to make the extreme of this movement, for the purpose of throwing the ship' s head into the wind. [ 1913 Webster]
Luff \ Luff\ ( l[ u^] f), n. [ 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}.] ( Naut.) ( a) The side of a ship toward the wind. ( b) The act of sailing a ship close to the wind. ( c) The roundest part of a ship' s bow. ( d) The forward or weather leech of a sail, especially of the jib, spanker, and other fore- and- aft sails. [ 1913 Webster] { Luff tackle}, a purchase composed of a double and single block and fall, used for various purposes. -- Totten. { Luff upon luff}, a luff tackle attached to the fall of another luff tackle. -- R. H. Dana, Jr. [ 1913 Webster]
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