mural crown
noun
1
- Heraldry 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）。
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）。