queen regent

a queen who reigns in behalf of another.

Origin of queen regent

First recorded in 1755–65

At first the Queen-Regent promised everything, but presently, upon the remonstrance of the exiled Mazarin, went back on her word.

Chantilly in History and Art |Louise M. Richter
His death and the subsequent policy of the Queen-Regent deferred the execution of the great scheme till fourteen years later.

The Rise of the Dutch Republic, Volume I.(of III) 1555-66 |John Lothrop Motley
He also bears a letter that will secure you letters and passports from the Queen-Regent.

Stray Pearls |Charlotte M. Yonge
Mademoiselle, in her devotion to him, and the Queen-Regent would never forgive my trafficking with the Frondeurs.

Stray Pearls |Charlotte M. Yonge

This first public appearance of the place was, also, the last public appearance of the Queen-Regent.

The Stones of Paris in History and Letters, Volume II (of 2) |Benjamin Ellis Martin

queen regent

a queen who acts as regent