绘马，挂愿望牌的匾额

1. votive tablet, wooden tablet usu. filled out with a prayer and one's name and hung up at a shrine or temple; orig. picturing a horse, as a stand-in for a donation of a live horse

noun (common) (futsuumeishi) Buddhism Shinto

受験シーズンの前に特大の絵馬で受験生の合格祈願です。

tbd