SG Heritage Dictionary

Erse [Noun] Webster's Dictionary 1828

The language of the descendants of the Gaels or Celts, in the highlands of Scotland.

Erse [Adjective] Webster's Dictionary 1913

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

Erse [Noun] Webster's Dictionary 1913

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