Webster's Revised Unabridged Dictionary · 1913

Erse

Erse (ẽrs) , noun

[A modification of Irish, Old English Irishe.]

A name sometimes given to that dialect of the Celtic which is spoken in the Highlands of Scotland; -- called, by the Highlanders, Gaelic.

Erse , adjective

Of or pertaining to the Celtic race in the Highlands of Scotland, or to their language.