someone who rules during the absence or incapacity or minority of the country's monarch
"The queen appointed her younger brother as regent to rule in place of their minor child until he reached adulthood."
A ruler.
"The young prince named his uncle regent to rule the kingdom in his absence."
Ruling; governing; regnant.
"The young prince was left under the tutelage of his aunt, who served as the kingdom's regent until he reached adulthood."
In plain English: A regent is an adjective describing someone who acts as a temporary ruler while waiting for the real leader to grow up or return.
"The regent government ruled the country while the king was away."
A city in North Dakota.
"Regent is a small city located in northern North Dakota near the Canadian border."
The word "regent" entered English via the Norman conquest as a term for a ruling governor or prince. It derives from the Latin regens, which is the present participle meaning "ruling."