/ Dictionary / Index M Milky Way: Meaning and Definition of Find definitions for: Milk'y Way' Pronunciation: [key] the spiral galaxy containing our solar system. With the naked eye it is observed as a faint luminous band stretching across the heavens, composed of innumerable stars, most of which are too distant to be seen individually. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. milky mill Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language