Definition of "demilune" [dem•i•lune]

• In the shape of a half-moon, i.e. semicircular. (adjective)
• A fortification constructed beyond the main ditch of a fortress, and in front of the curtain between two bastions, intended to defend the curtain; a ravelin. (noun)
• A crescentic mass of granular protoplasm present in the salivary glands. (noun)

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• "He described it as a demilune—meaning half moon—gaming table."
• "A refined demilune table wrapped in rope, a lampshade crafted from metal mesh, and a petrified log used as an accent table are all creative ways to incorporate texture into an interior."
• "And he laid his hand, as Drayton might have said, on that stout bastion, hornwork, ravelin, or demilune, which formed the outworks to the citadel of his purple isle of man."