gunner's daughter

archaic idiomatic

(archaic, idiomatic, navy) The gun to which sailors were tied to be flogged.

Japanese Meaning

（古語・慣用句・海軍用語）船員が鞭打ちの懲罰を受ける際に縛り付けられる大砲

As punishment, the captain ordered the sailor to be strapped to the gunner's daughter and receive twelve lashes.

罰として、船長はその水兵をむち打ち刑に使う砲に縛り付け、12回のむち打ちを受けさせるよう命じた。

Sense（1）

(archaic, idiomatic, navy) The gun to which sailors were tied to be flogged.