Dēm'i-lūne, n.
n. (Fort.) 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.
n. (Fort.) 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.