| 单词 | luff |
| 释义 | luff /luf/, n. Naut. 1. the forward edge of a fore-and-aft sail. See diag. under sail. v.i. 2. to bring the head of a sailing ship closer to or directly into the wind, with sails shaking. 3. (of a sail) to shake from being set too close to the wind: The sail luffed as we put about for port. 4. to raise or lower the outer end of the boom of a crane or derrick so as to move its load horizontally. v.t. 5. to set (the helm of a ship) in such a way as to bring the head of the ship into the wind. 6. to raise or lower the outer end of (the boom of a crane or derrick). [1175-1225; ME lof, loof steering gear (cf. OF lof) < MD (unrecorded), later D loef tholepin (of tiller)] |
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