Curtain, in Fortification, is the portion of rampart connecting one Bastion (q.v.) with another.
Curtain
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 625
Source scan(s): p. 0636
Curtain, in Fortification, is the portion of rampart connecting one Bastion (q.v.) with another.