1Heraldry A representation of a city wall in the form of a crown, borne above the shield in the arms of distinguished soldiers and of some civic authorities.
〔纹章〕城墙冠（功勋军人及某些民政高官盾形纹章顶端的头冠形城墙标志）
Example sentencesExamples
Argent on a cross gules enfiled in pale by two mural crowns or a rose of the first stalked and leaved proper.
The white and blue waves refer to the River Mersey and the six mural crowns, being civic emblems, to the six constituent districts.
A silver mural crown in five towers stamps the coat of arms.
The five embattlements on the mural crown represent the five campaigns in Europe during World War II.
Above the mural crown is a garb or sheaf of wheat or corn used to represent farming.
2(in ancient Roman times) a crown or garland given to the soldier who was first to scale the wall of a besieged town.
（古罗马时期的）城墙冠（一种头冠或花环，奖给首先登上被围城墙的士兵）
Definition of mural crown in US English:
mural crown
noun
1Heraldry A representation of a city wall in the form of a crown, borne above the shield in the arms of distinguished soldiers and of some civic authorities.
〔纹章〕城墙冠（功勋军人及某些民政高官盾形纹章顶端的头冠形城墙标志）
Example sentencesExamples
Above the mural crown is a garb or sheaf of wheat or corn used to represent farming.
The five embattlements on the mural crown represent the five campaigns in Europe during World War II.
A silver mural crown in five towers stamps the coat of arms.
Argent on a cross gules enfiled in pale by two mural crowns or a rose of the first stalked and leaved proper.
The white and blue waves refer to the River Mersey and the six mural crowns, being civic emblems, to the six constituent districts.
2(in ancient Roman times) a crown or garland given to the soldier who was first to scale the wall of a besieged town.