Noun
prince regent (plural prince regents or princes regent or princes regents)
A prince who rules a country as a regent in place of a monarch who is unfit to rule for whatever reason.
Coordinate term: princess regent
Additional names proposed by her parents—Georgina (or Georgiana), Charlotte, and Augusta—were dropped on the instructions of the Duke's elder brother, the Prince Regent (later George IV). Source: Internet
Although Caroline was the wife of the Prince Regent George (later George IV of the United Kingdom ), she lived apart from her husband, and financial straits sometimes forced her to quietly sell her own jewels to support her household. Source: Internet
Charles Edward as the Jacobite Leader In December 1743, Charles's father named him Prince Regent, giving him authority to act in his name. Source: Internet
Deposition That same year, Pedro managed to gain enough support to force the king to relinquish control of the government and he became Prince Regent in 1668. Source: Internet
Growth of the town was further encouraged by the patronage of the Prince Regent (later King George IV ) after his first visit in 1783. Source: Internet
Among the charges was that the Black Hand had attempted to murder Prince Regent Alexander. Source: Internet