/ Dictionary / Index M Mohole: Meaning and Definition of Find definitions for: Mo•hole Pronunciation: (mō'hōl"), [key] — n. a hole bored through the earth's crust into the region below the Mohorovičić discontinuity, for geological research. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mohock Moholy-Nagy Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language