[{"Bold_text": "noun", "List Items": ["a ridge of rocks or sand, often of coral debris, at or near the surface of the water.", "Mining.a lode or vein."]}, {"Bold_text": "noun", "List Items": ["a part of a sail that is rolled and tied down to reduce the area exposed to the wind."]}, {"Bold_text": "verb (used with object)", "List Items": ["to shorten (sail) by tying in one or more reefs.", "to reduce the length of (a topmast, a bowsprit, etc.), as by lowering, sliding inboard, or the like.", "to pull (old oakum) out of seams, as with a rave hook (often followed byout)."]}]