/ Dictionary / Index D demilune: Meaning and Definition of Find definitions for: dem•i•lune Pronunciation: (dem'i-ln"), [key] — n. a crescent. an outwork resembling a bastion with a crescent-shaped gorge. a crescent or half-moon shape, as of the top of a piece of furniture. —adj. shaped like a crescent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. de Mille demimetope 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