/ Dictionary / Index D dial train: Meaning and Definition of Find definitions for: di'al train" Pronunciation: [key] the part of a going train that drives the minute and hour hands. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dial tone dial-up Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language