Noah Webster's New International Dictionary of the English Language

1. (a.) One of a non-Jewish nation; one neither a Jew nor a Christian; a worshiper of false gods; a heathen.

2. (a.) Belonging to the nations at large, as distinguished from the Jews; ethnic; of pagan or heathen people.

3. (a.) Denoting a race or country; as, a gentile noun or adjective.