dwt From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounDeadweight ton; deadweight tonnage.Pennyweight Related wordsSynonymstankertankerstpldwt.dr. wt.wdthtwdtdry mattermsdtkilodaltonsdwtd.w.i.decitexwddxheavy waterkilodyne References Wiktionary — dwt Wikipedia — dwt