Main Entry: ¹cir·cum·val·late

Pronunciation: \-ˈva-ˌlāt\

Function: transitive verb

Inflected Form(s): cir·cum·val·lat·ed; cir·cum·val·lat·ing

Etymology: Latin circumvallatus, past participle of circumvallare to surround with siege works, from circum- + vallum rampart — more at wall

Date: circa 1798

: to surround by or as if by a rampart

— cir·cum·val·la·tion \-ˌva-ˈlā-shən\ noun