五ご芒ぼう星せい

noun

pentagram; five-pointed star

Specifically a pentagram used in divination, magic, or esoteric contexts, not a general star shape.

• 陰陽道おんみょうどうでは五ご芒ぼう星せいを魔ま除よけの印しるしとして使つかう。

  In Onmyōdō, the pentagram is used as a protective symbol.