/ Dictionary / Index M manna: Meaning and Definition of Find definitions for: man•na Pronunciation: (man'u), [key] — n. the food miraculously supplied to the Israelites in the wilderness. Ex. 16:14–36. any sudden or unexpected help, advantage, or aid to success. divine or spiritual food. the exudation of the ash Fraxinus ornus and related plants: source of mannitol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: manna (Thesaurus) Mann Mann Act Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language