TUGBOAT: Dictionary Entry and Meaning

Pronunciation:			'tug`bowt
WordNet Dictionary
	Definition:		[n]  a powerful small boat designed to pull or push larger ships
	Synonyms:		towboat, tower, tug
	See Also:		boat, helm
Webster's 1913 Dictionary
	Definition:		\Tug"boat`\, n. See {Tug}, n., 3.