DEMILUNE
Etymology
Adjective
demilune (not comparable)
(of furniture) In the shape of a half-moon, i.e. semicircular.
Noun
demilune (plural demilunes)
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.
Source: Wiktionary
Dem"i*lune`, n. Etym: [F. demi-lune.]
1. (Fort.)
Definition: 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.
2. (Physiol.)
Definition: A crescentic mass of granular protoplasm present in the
salivary glands.
Note: Each crescent is made of polyhedral cells which under some
circumstances are supposed to give rise to new salivary cells.
Source: Webster’s Unabridged Dictionary 1913 Edition