/ Dictionary / Index M Miles: Meaning and Definition of Find definitions for: Miles Pronunciation: (mīlz), [key] — n. 1839–1925, U.S. army officer. a male given name: from a Germanic word meaning “merciful.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: miles (Thesaurus) miler Milesian Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language