[with obj.](poetic/literary)surround or surrounding with or as if with a rampart (诗/文)(似)用(城墙,壁垒)围绕 the walls were circumvallated with a ditch. 墙四周围着一道水沟。
adjective
(poetic/literary)surrounded or surrounding as if by a rampart (诗/文)(似)有城墙(或壁垒)围绕的 we looked at the circumvallate mountains. 我们看着四周铜墙铁壁似的群山。 ■(Anatomy)denoting certain papillae near the back of the tongue, surrounded by taste receptors (剖)乳突的
语源
mid 17th cent. (as an adjective): from Latin circumvallat- 'surrounded with a rampart', from the verb circumvallare, from circum 'around' + vallare, from vallum 'rampart'. The verb dates from the early 19th cent