Catamaran Definition Boat. I will add it would be the float part of the out-rigger. Beam refers to the distance from the widest point of the boat to the other side think.
I believe the term comes from South Pacific out-rigger canoes. Catamaran - a sailboat with two parallel hulls held together by single deck sailboat sailing boat - a small sailing vessel. I will add it would be the float part of the out-rigger.
Youll often hear deeper or sharper V-shaped hulls referred to as having a lot of deadrise.
A sailing boat that has two parallel hulls floating parts held together by a single deck. A sailing boat that has two parallel hulls floating parts held together by a single deck. A yacht or other boat with twin hulls in parallel. -- used as a surf boat and for other purposes on the coasts of the East and West Indies.