hatchment
/ˈhætʃmənt/noun
- a large tablet, typically diamond-shaped, bearing the coat of arms of someone who has died, displayed in their honour纪念匾（为纪念逝者而展示的纹章匾, 通常为菱形）。
词源
early 16th cent.: probably from obsolete French hachement, from Old French acesmement 'adornment'.