denizen

1. (British, historical) A person with rights between those of naturalized citizen and resident alien (roughly permanent resident), obtained through letters patent.Examples: "1548, Edward Hall, The Union of the Two Noble and Illustre Famelies of Lancastre and Yorke, London, The xiiii yere, Then by commaundement wer all Fre[n]chemen and Scottes imprisoned and the goodes seazed, and all suche as were denizens were commaunded to shewe their letters patentes […]"; "A denizen is a kind of middle state, between an alien and a natural-born subject, and partakes of both."; "1803, John Browne Cutting, “A Succinct History of Jamaica” in Robert Charles Dallas, The History of the Maroons, London: Longman and Rees, Volume 1, p. xlv, All free persons were authorized and permitted to transport themselves, their families, and goods […] to Jamaica, from any part of the British dominions; and their children born in Jamaica were declared free denizens of England, entitled to the same privileges as free born subjects of England."Britishhistorical

2. (biology) An animal or plant from a particular range or habitat.Examples: "The bald eagle is a denizen of the northern part of the state."

3. (linguistics) A foreign word that has become naturalised in another language in terms of use, but not in terms of form.