Designating the Celtic language of Ireland (see sense B. 2a), or the words and other linguistic features constituting it; (of literary…

Of, relating to, or associated with the Gaelic-speaking people of Ireland or Scotland. Obsolete.

(a) n. the Q-Celtic language of Ireland (cf. Irish Gaelic n.); = sense B. 2a; (b) adj. of or in this language; = sense A. 3a.

Of, belonging to, or relating to the Irish language; Irish Gaelic (cf. Gaelic, adj.).