[1] : WordNet (r) 2.0

watercraft
     n 1: skill in the management of boats
     2: a craft designed for water transportation syn: vessel
see also:
vessel 

[2] : Moby Thesaurus II by Grady Ward, 1.0

21 moby thesaurus words for "watercraft":
   aircraft, argosy, bark, boat, bottom, bucket, carriage, carrier,
   conveyance, craft, hooker, hulk, hull, keel, leviathan,
   medium of transportation, packet, ship, tub, vehicle, vessel

Watercraft >> W Words
Watercraft, definition of term: Watercraft
watercraft_pag1.html