Home › Words › W › waterboatwaterboatwaterboat means A boat carrying water in bulk to supply ships.EtymologyFrom water + boat.nounA boat carrying water in bulk to supply ships.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.bumboat 72% match — A small boat used for carrying provisions to ships lying at anchor in a harbour. vs waterboat →fireboat 70% match — A harbor boat designed for pumping large volumes of harbor water onto dockside fires. vs waterboat →riverboat 68% match — A watercraft designed for operating on rivers. vs waterboat →flyboat 68% match — A large flat-bottomed coasting vessel, formerly found in Holland, Spain and Portugal. vs waterboat →workboat 67% match — A boat used for purposes other than recreation, passenger transport, or combat. vs waterboat →chopboat 66% match — A licensed lighter (watercraft) employed in the transportation of goods to and from larger vessels. vs waterboat →haulabout 66% match — A barge-like vessel with steel hull, large hatchways, and coal transporters, for coaling war vessels from its own hold or from other colliers. vs waterboat →waistboat 66% match — A boat carried in the waist of a vessel. vs waterboat →