reef

/rif/
verb
  1. To reduce the area of a sail by rolling or tying part of it.
    • We had to reef the jib quickly when the squall hit.
    • The captain ordered the crew to reef the sails as the wind picked up.
    • He taught me how to reef the main sail properly.
noun
  1. A long line of rock, sand, or coral near the surface of the sea.
    • The Great Barrier Reef is one of the most famous natural wonders in the world.
    • Snorkelers explored the colorful coral reef teeming with fish.
    • The shipwreck occurred when the boat hit a hidden reef.
  2. A part of a sail that can be rolled up or tied down to reduce its area in strong wind.
    • They pulled the reef tight to reduce the sail's surface area.
    • Learning how to take a reef is an essential skill for any sailor.
    • The sailor tied a reef in the mainsail to keep the boat stable during the storm.
Synonyms
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