Ethnic \Eth"nic\n. A heathen; a pagan. [Obs.]

No better reported than impure ethnic and lay dogs. --Milton.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Ethnic \Eth"nic\, Ethnical \Eth"nic*al\, a. [L. ethnicus, Gr. ?, fr. ? nation, ? ? the nations, heathens, gentiles: cf. F. ethnique.]

1. Belonging to races or nations; based on distinctions of race; ethnological.

2. Pertaining to the gentiles, or nations not converted to Christianity; heathen; pagan; -- opposed to Jewish and Christian.

Source: Webster's Revised Unabridged Dictionary (1913)