n. In ancient Greece, a resident alien who did not have citizen rights and who paid a tax for the right to live there.
the GNU version of the Collaborative International Dictionary of English
n. A sojourner; an immigrant; an alien resident in a Grecian city, but not a citizen.
The Century Dictionary and Cyclopedia
n. An emigrant or immigrant; specifically, in ancient Greece, a resident alien who in general bore the burdens of a citizen, and had some of the citizen's privileges; hence, any resident alien.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an alien who paid a fee to reside in an ancient Greek city
Word Usage
"Even if a slave becomes freed, he does not become an Athenian citizen; he is only a "metic," a resident foreigner, and his old master, or some other Athenian, must be his patron and representative in every kind of legal business."