vallation

== English == === Etymology === From Latin vallatio, from vallare (“to surround with a rampart”), from vallum (“rampart”). See wall. === Noun === vallation (plural vallations) (archaic) A rampart or entrenchment. === References === “vallation”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.