/ Thesaurus / T Synonyms of tank locomotive Find synonyms for: Noun1. tank engine, tank locomotive, locomotive, engine, locomotive engine, railway locomotiveusage: a locomotive that carries its own fuel and water; no tender is neededWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language