/ Dictionary / Index M moon dog: Meaning and Definition of Find definitions for: moon' dog" Pronunciation: [key] paraselene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moonchild mooned Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language