circumvallate /sɜːkəmˈvæleɪt/adjective 2verb 1forms 3 adjective2 •Surrounded with a wall; enclosed with a rampart. •Surrounded by a ridge or elevation. verb1 •To surround with, or as if with, a rampart.The settlement is circumvallated by a stake-fence, so decayed that one may gain ingress at a dozen places. — 2004 formscircumvallated · circumvallating · circumvallates