From Longman Dictionary of Contemporary Englishcatamarancat‧a‧ma‧ran /ˌkætəməˈræn/ noun [countable] TTWa sailing boat with two separate hulls (=the part that goes in the water)
Examples from the Corpus
catamaran• The ceremony took place on the beach followed by a private trip on a catamaran at sunset.• Porto Heli and Cannigione additionally offer catamaran coaching.• Local sailing options include bombing on windsurfers, high performance dinghies, or catamarans in some centres.• Had Trent been Miguelito he would have lain in wait in the jungle by the catamaran.• Their slope and angle up to the cabin top was sufficient to drive the catamaran north.• Thirty yards separated them from the catamaran.• Lightning played across the front almost continually, and thunder rolled over the catamaran.• The catamaran surged forward under the added power of the big sail.Origin catamaran (1600-1700) Tamil kattumaram, from kattu “to tie” + maram “tree”