Merriam-Webster Collegiate Dictionary - gentile

 I. noun  Etymology: Middle English, from Late Latin gentilis, from Latin gent-, gens nation  Date: 14th century  1. often capitalized a person of a non-Jewish nation or of non-Jewish faith; especially a Christian as distinguished from a Jew  2. heathen, pagan  3. often capitalized a non-Mormon  II. adjective  Date: 15th century  1. often capitalized  a. of or relating to the nations at large as distinguished from the Jews; also of or relating to Christians as distinguished from the Jews  b. of or relating to non-Mormons  2. heathen, pagan  3. Latin gentilis relating to a tribe or clan