/ Dictionary / Index M medium artillery: Meaning and Definition of Find definitions for: me'dium artil'lery Pronunciation: [key] guns and howitzers of more than 105mm and less than 155mm caliber, sometimes including the 155mm howitzers. Cf.(def. 2),(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. medium medium bomber Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language