"reigning, exercising authority," c. 1600, from Latin regnantem (nominative regnans) "reigning," present participle stem of regnare "to reign" (see reign). Adjective regnal (1610s) means "pertaining to a reign," especially in reference to the day or year a reign began.
双语例句
1. Sui Dai is one of regnant and brief unified reigns on the history.
