ADJ.
near
CIRCUMVALLATE + NOUN
papillae
verb
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.
adj
Surrounded with a wall; enclosed with a rampart.
Surrounded by a ridge or elevation.
circumvallate papillae, near the base of the tongue