In extended use: a representation of such a memorial; (a representation of) an ornamental group of symbolic or typical objects arranged for display.

= trophy decoration n.

(a) decoration depicting objects which might be considered as trophies, such as weapons, musical instruments, scrolls, sculpture, etc.; (b) a trophy…

an object or mark (on the clothing or body) celebrating the defeat or death of an enemy; spec. a mark on the side of an aircraft or vessel…