noun
samurai doll; warrior doll
A traditional Japanese doll dressed in samurai armor, commonly displayed for the Boys' Festival (端午の節句) to wish for boys' strength and success.
五月人形として武者人形を飾る家庭が多い。
Many households display samurai dolls as Boys' Day decorations.
Compound of 武者 (musha, 'warrior') and 人形 (ningyō, 'doll'). The term reflects the doll's depiction of a samurai in armor.