In English law. A person who, being au alien born, has obtained, ex donattone regis, letters patent to make him an English subject,—a high and incoinmu-nicable branch of the royal prerogative. A denizen is in a kind of middle state between an alien and a natural-bom subject, ond par-takes of the status of both of these. 1 Bl. Comm. 374 ; 7 Coke, 6
Source: Black’s Law Dictionary 2nd Ed (1910)
