Webster's Revised Unabridged Dictionary · 1913

Gaelic

Gaelic (?; 277) , adjective

[Gael. Gàidhealach, Gaelach, from Gàidheal, Gael, a Scotch Highlander.]

(Ethnology) Of or pertaining to the Gael, esp. to the Celtic Highlanders of Scotland; as, the Gaelic language.

Gaelic , noun

[Gael. Gaelig, Gàilig.]

The language of the Gaels, esp. of the Highlanders of Scotland. It is a branch of the Celtic.