枝えだ鞭むち

noun

birch rod; switch

A bundle of twigs or a single branch used for corporal punishment, historically associated with discipline in schools or households.

• 昔むかしの学がっ校こうでは、悪わるいことをすると枝えだ鞭むちで叩たたかれることがあった。

  In old schools, you could be hit with a birch rod if you did something bad.