/ Dictionary / Index M moonprobe: Meaning and Definition of Find definitions for: moon•probe Pronunciation: (mn'prōb"), [key] — n. an information-gathering spacecraft designed to pass close by or land on the lunar surface. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moon pillar moonquake Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language