However, the consorts of a Queen regnant are not entitled to use the Royal Arms.
From the en.wikipedia.org
King James died six days later, making the infant Mary queen regnant of Scotland.
From the en.wikipedia.org
Non-consecutive ordinals may indicate dynastic claims for non-regnant monarchs.
From the en.wikipedia.org
Consorts of a queen regnant are not granted use of the British Royal Standard.
From the en.wikipedia.org
An empress regnant is a female monarch who reigns in her own right over an empire.
From the en.wikipedia.org
Wilhelmina was queen regnant from 1890 to 1948, longer than any other Dutch monarch.
From the en.wikipedia.org
The former occurred as Islam became a society's regnant religio-political framework.
From the en.wikipedia.org
However, the articles on English queens regnant are at Queen Victoria and Queen Anne.
From the en.wikipedia.org
Ingrid Alexandra is expected to become Norway's second queen regnant, after Margaret.
From the en.wikipedia.org
More examples
Exercising power or authority
A monarchy is a form of government in which all political power is absolutely or nominally lodged with an individual, known as a monarch ("single ruler"), or (male), (female).
Reigning; currently holding power in government; dominant; holding more power or influence than others