Reigning, ruling; currently holding power. / Dominant; holding sway; having particular power or influence.

(obsolete) A sovereign or ruler.

plural of regnant

A female monarch who reigns in her own right, in contrast to a queen consort, who is the wife of a reigning king.

a female monarch who reigns in her own right over an empire, in contrast to an empress consort, who is the wife of a reigning emperor.

plural of queen regnant

plural of empress regnant