tower 3noundomain: artefactPrinceton WordNet [ver.3.1]EnglishDefinitiona powerful small boat designed to pull or push larger shipsReport errorPath to highest hypernymMorphologySynset graphSynonymstugboat 1a powerful small boat designed to pull or push larger shipstug 2a powerful small boat designed to pull or push larger shipstowboat 1a powerful small boat designed to pull or push larger ships