abatis
advanced work
balistraria
bank
banquette
barbed-wire entanglement
barbican
barricade
barrier
bartizan
bastion
battlement
bevel
bezel
breastwork
bulwark
casemate
cheval-de-frise
chute
circumvallation
contravallation
counterscarp
curtain
demibastion
dike
drawbridge
earthwork
easy slope
enclosure
entanglement
escarp
escarpment
fence
fieldwork
fleam
fortalice
fortification
gentle slope
grade
gradient
hanging gardens
helicline
hillside
inclination
incline
inclined plane
launching ramp
loophole
lunette
ravelin
andesite
battlements
chapelle
coude
kamae
l'ancienne
l'avait
longueur
marquise
palisade
peridot
poulet
ridgeline
scite
servira
vont
basis
homeostasis