demilune
n. கோட்டையின் பிறை வடிவப்பகுதி.
Dem"i*lune`, n. Etym: [F. demi-lune.] 1. (Fort.) Defn: 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.) Defn: 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.