Prince
Defined in 3 dictionaries — Ballentine's (1916), Bouvier (1914), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A ruler; a sovereign.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
In a general sense, a sovereign; the ruler of a nation or state. The son of a king or emperor, or the issue of a royal family: as, princes of the blood. The chief of any body of men.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In a general sense, a sovereign; the ruler of a nation or state. More particularly, the son of a king or emperor or the issue of a royal family; as princes of the blood. The chief of any body of men. Webster.
— Prince of Wales. The eldest son of the English sovereign. He is the heir-apparent to the crown.