八はち頭がしら

noun

kanji "eight" radical at top

Refers specifically to the 八 radical when it appears at the top of a kanji, as in 公 or 兼. Used in kanji reference contexts.

• 「公こう」の上うえの部ぶ分ぶんは八はち頭がしらと呼よばれる。

  The top part of 公 is called 八頭.