half a bastion, having only one flank, at right angles to the wall
demibastion in American English
(ˌdemiˈbæstʃən)
noun
Fortifications
a work consisting of half a bastion, and hence having one face and one flank
Derived forms
demibastioned
adjective
Word origin
[1685–95; demi- + bastion]This word is first recorded in the period 1685–95. Other words that entered Englishat around the same time include: blowhole, fatigue, patchwork, protectorate, sideline