The crossword solutions for the term CATAMARAN CANVAS are SAIL, which is a four-letter word. A SAIL is a piece of fabric that is attached to a boat and used to propel it through the water. Catamarans are two-hulled boats that are propelled by sails, and canvas is a type of strong, durable fabric that is often used to make sails. Therefore, the term CATAMARAN CANVAS can be used to refer to the sails of a catamaran.