/ Dictionary / Index M mule train: Meaning and Definition of Find definitions for: mule' train" Pronunciation: [key] a line of pack mules or a line of wagons drawn by mules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. muleteer muley Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language