Note 167 — SIEGE OF BADAJOZ.
Reading edition
The reader, who may not be acquainted with terms used by engineers, will find a brief explanation of those of frequent recurrence serviceable.
The glacis is the part beyond the covert-way to which it forms the parapet.
The flank is any part of a work which defends another.
The epaule is the shoulder of the bastion.
The gorge is next the body of the place where there is no rampart.
Fougasse is a small mine, six or seven feet under ground, generally formed in the glacis or dry ditch.
Curtain, the wall that connects bastions.