A projecting ridge or crest, often of coral, that rises near the surface of a body of water and is usually a habitat for diverse marine life.

चट्टान

English Usage: The Great Barrier Reef is famous for its breathtaking biodiversity.

Hindi Usage: ग्रेट बैरियर रीफ अपनी सांस लेने वाली जैव विविधता के लिए प्रसिद्ध है।

To reduce the area of a sail by folding or rolling it up.

परिजात करना

English Usage: The sailor is reefing the mainsail to prepare for the storm.

Hindi Usage: नाविक तूफान के लिए मुख्य पाल को परिजात कर रहा है।