vallation noun.
[va'leɪʃ(ǝ)n] rare.
M17.[Late Latin vallatio(n-), from Latin vallat- pa. ppl stem of vallare circumvallate, from vallum rampart: see -ATION.]A bank of earth raised as a defence or protection; an earthwork or fortification of this nature.
[TahlilGaran] English Dictionary ▲