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Semilune vs Demilune - What's the difference?

semilune | demilune |

As nouns the difference between semilune and demilune

is that semilune is the half of a lune while demilune is 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.

As an adjective demilune is

in the shape of a half-moon, i.e. semicircular.

semilune

English

Noun

(en noun)
  • (geometry) The half of a lune.
    • (Webster 1913)

    demilune

    English

    Adjective

    (-)
  • (of furniture) In the shape of a half-moon, i.e. semicircular.
  • * {{quote-news, year=2007, date=February 9, author=Wendy Moonan, title=Relics of the 19th Century, in a Sentimental Mood, work=New York Times citation
    • , passage=A handsome pair of tall, walnut-veneered Biedermeier bookcases from Austria, circa 1835, can be had from Iliad Antik of New York for $95,000, while Clinton Howell of New York has a rare pair of marquetry inlaid demilune consoles that he attributes to the workshop of John Linnell of England, circa 1755. }}

    Noun

    (en noun)
  • 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.
  • (biology) A crescentic mass of granular protoplasm present in the salivary glands.