As an adjective belgic
is of or pertaining to the belgae, a german tribe who anciently possessed the country between the rhine, the seine, and the ocean.
As a noun eburones is
a belgic people of germanic or celtic descent who lived in the upper north of gaul in ancient times.
Of or pertaining to the Belgae, a German tribe who anciently possessed the country between the Rhine, the Seine, and the ocean.
(obsolete) Of or pertaining to the Netherlands or to Belgium.
- How unlike their Belgic sires of old. — Goldsmith.