from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See alien.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Someone who is not a citizen of the country in question
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person who comes from a foreign country; someone who does not owe allegiance to your country
non- + citizen (Wiktionary)