contravallation

listen to the pronunciation of contravallation
الإنجليزية - التركية
kuşatan ordu tarafından kazılan hendekler hatt
الإنجليزية - الإنجليزية
A fortification built around a sieged target by the besiegers
{n} an opposite fortification
{i} parapet built encircling a besieged place
A trench guarded with a parapet, constructed by besiegers, to secure themselves and check sallies of the besieged