/ Dictionary / Index A Allhallowmas: Meaning and Definition of Find definitions for: All•hal•low•mas Pronunciation: (ôl"hal'ō-mus), [key] — n. Archaic. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. all hail Allhallows Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language