/ Dictionary / Index T tank locomotive: Meaning and Definition of Find definitions for: tank' locomo"tive Pronunciation: [key] a steam locomotive carrying its own fuel and water without the use of a tender. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tankful tankship Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language