[{"Bold_text": "noun", "List Items": ["the forward edge of a fore-and-aft sail."]}, {"Bold_text": "verb (used without object)", "List Items": ["to bring the head of a sailing ship closer to or directly into the wind, with sails shaking.", "(of a sail) to shake from being set too close to the wind:The sail luffed as we put about for port.", "to raise or lower the outer end of the boom of a crane or derrick so as to move its load horizontally."]}, {"Bold_text": "verb (used with object)", "List Items": ["to set (the helm of a ship) in such a way as to bring the head of the ship into the wind.", "to raise or lower the outer end of (the boom of a crane or derrick)."]}]