In an excavation beyond the glacis of the enceinte, having its surface on the prolongation of that slope, that an enemy may find no shelter when in the ditch.
Related term(s): Advanced Covered Way; Enceinte
Category: Castles and Fortifications
Source information: Wilhelm, Thomas. A Military Dictionary and Gazetteer. Philadelphia: L.R. Hamersly & Co., 1881. 12.