cir·cum·val·late [ sùrkəm vá làyt ](past and past participlecir·cum·val·lat·ed, present participlecir·cum·val·lat·ing, 3rd person present singularcir·cum·val·lates)
transitive verb
Definition:
enclose with rampart: to protect a town or camp by surrounding it with a rampart or a defensive wall
(
archaic or formal
)
[Mid-17th century. < Latin circumvallat-, past participle of circumvallare "fortify with a rampart around" < vallum "rampart" < vallus "stake"]
