Word parts water + -craft Pronunciation (US) IPA (key): /ˈwɔtɚkræft/ Noun Singular watercraft Plural watercrafts or watercraft (countable) A watercraft is a boat or any vessel that travels on water. (uncountable) Watercraft is the skill in boating, swimming, or other water-related sports. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads