Noah Webster
Contravallation
CONTRAVALLATION, noun [Latin , to fortify.] In fortification, a trench guarded with a parapet, thrown round a place by the besiegers, to secure themselves, and check the sallies of the garrison.
CONTRAVALLATION, noun [Latin , to fortify.] In fortification, a trench guarded with a parapet, thrown round a place by the besiegers, to secure themselves, and check the sallies of the garrison.