an inhabitant or occupant
a frequenter of a particular place
an animal, plant, foreign word, etc. that has become naturalized
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'denizen'ME denisein < Anglo-Fr deinzein < OFr, native inhabitant < denz, within < LL de-intus < L de intus, from within