/ Dictionary / Index M mid on: Meaning and Definition of Find definitions for: mid' on' Pronunciation: [key] the position of a fielder on the on side of the wicket. the fielder occupying this position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mid off midpoint Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language