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1. An inhabitant; a resident: denizens of Monte Carlo.
2. One that frequents a particular place: a bar and its denizens.
3. Ecology An animal or a plant naturalized in a region.
4. Chiefly British A foreigner who is granted rights of residence and sometimes of citizenship.
tr.v. deni·zened, deni·zening, deni·zens Chiefly British
To make a denizen of; grant rights of residence to.