Cir`cum*val"late (?), v. t. [L. circumvallatus, p. p. of circumvallare to surround with a wall; circum + vallare to wall, fr. vallum rampart.]
To surround with a rampart or wall.
Johnson.
© Webster 1913.
Cir`cum*val"late (?), a.
1.
Surrounded with a wall; inclosed with a rampart.
2. Anat.
Surrounded by a ridle or elevation; as, the circumvallate papillae, near the base of the tongue.
© Webster 1913.