Answer: catamarans

AnswerCrossword Clue
CATAMARANSTwo-hulled vessels
CATAMARANSLog rafts.
CATAMARANSSmall craft
CATAMARANSTwin-hulled boats
CATAMARANSDual-hulled boats
CATAMARANSSwift vessels
catamaransA yacht or other boat with twin hulls in parallel
catamaransCATAMARAN, (Tamil) orig a raft of logs lashed together; now a boat, esp a sailing boat with two hulls