A talisman or amulet used to ward off misfortune or illness; often a paper or wooden charm inscribed for protection.
神社で護符を授かって、玄関に貼った。
I received a talisman at the shrine and put it on the front door.
旅行の安全祈願に護符を財布に入れて持ち歩く。
I carry a talisman in my wallet for travel safety.
その護符は病気平癒を願って僧侶が書いたものだ。
That talisman was written by a monk praying for recovery from illness.