/ Dictionary / Index M moss hag: Meaning and Definition of Find definitions for: moss' hag" Pronunciation: [key] an area, pit, or hole from which peat has been dug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moss-grown Mossi Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language