1. a boat with two parallel hulls connected by a deck or framework
Usage: nautical

Examples

• The catamaran sailed smoothly across the bay with its twin hulls cutting through the water.
• We rented a catamaran for our vacation in the Caribbean.
• The racing catamaran was much faster than the traditional sailboats.
• A catamaran provides more stability than a single-hull boat.
• The luxury catamaran had spacious decks between its two hulls.
• They built a small catamaran for fishing in shallow waters.