The phrase "acting crown" is correct and usable in written English.
It can be used in contexts where someone is temporarily fulfilling the role or duties of a monarch or leader, often in a ceremonial or official capacity.
Example: "During the absence of the king, the acting crown took charge of the royal duties and represented the monarchy at various events."
Alternatives: "interim monarch" or "temporary ruler".
The country's acting ruler, Crown Prince Abdullah, issued an uncharacteristically stern warning after the Riyadh bombing.
"None of us can imagine how desperate the victims were in this case," said Portia Ragnauth, acting chief crown prosecutor in the south-east.
In Scotland, where we live, the procurator fiscal heads up the investigation, acting like the Crown Prosecution Service in England.
Andrew Edis, then a QC acting for the Crown Prosecution Service, and now a judge, comes in for special attention as Brooks complains how the prosecution had supported "his lordship's daily gag".
Her husband has never been convicted but Alison Levitt QC, acting for the crown, conceded at the appeals court in February that it "unreservedly accepts the factual background to this case.
The Doctor concludes that the life forces of the trees in the forest are trying to escape through a living creature, the crown acting as an interface.
They gave Saudi Arabia's acting leader, Crown Prince Abdullah, some nice-sounding messages to carry to Crawford, Texas, for his potentially awkward meeting with President George Bush, where the pair talked about oil, as well as global politics.For one thing, he could point to the polls as evidence that the kingdom is getting less autocratic.
It was ceded in 1823 to Captain Alexander Grant of the African Corps, who was acting for the British crown.
The Queen and the Prince of Wales have joined the race to be part of the government's controversial ecotown scheme, with the crown estate acting as partner in a consortium that hopes to built a town of 5,000 houses near Nottingham.
Rush's performance as the 400-year-old King Berenger earned him his first Tony, thus completing the coveted triple crown of acting: Oscar, Tony and Emmy.
