王おう后こう陛へい下か

Meanings

1

Her Majesty the Queen

Formal title used when addressing or referring to a queen. Used in official contexts.

国こく王おう陛へい下か
Refers to 'His Majesty the King', the male counterpart to 王后陛下.
女じょ王おう陛へい下か
Refers to 'Her Majesty the Queen' when the monarch is a reigning queen, whereas 王后陛下 is used for a queen consort.

Compound of 王后 (queen consort) and 陛下 (Your/Her Majesty).