noun
ceremonial bow to drive off evil; toy bow and arrow
A traditional Japanese bow used in rituals to ward off evil spirits; also given as a toy to boys during the New Year or at the first Boy's Festival (Tango no Sekku).
破魔弓は、男の子の初節句に贈られる縁起物です。
A hamayumi is a lucky charm given to boys on their first Boy's Festival.
神社で破魔弓を奉納する儀式を見学した。
I observed a ceremony at the shrine where a hamayumi was dedicated.