D defs.my
Entry 2 senses Webster, 1913

Demilune

· Dem·i·lune · IPA /ˈdɛmɪluːn/
01 n. A work constructed beyond the main ditch of a fortress, and in front of the curtain between two bastions, intended to defend the curtain; a…
  1. 1.
    A work constructed beyond the main ditch of a fortress, and in front of the curtain between two bastions, intended to defend the curtain; a ravelin. See Ravelin.(Fort.) See: Ravelin
  2. 2.
    A crescentic mass of granular protoplasm present in the salivary glands.(Physiol.)