- a Scottish Celt or Highlander.
- a Gaelic-speaking Celt.
- a person who speaks a Gaelic language, esp a Highland Scot or an Irishman
1810, from Scottish Gaelic Gaidheal “member of the Gaelic race,” corresponding to Old Irish Goidhel (cf. Latin Gallus). The native name in both Ireland and Scotland, Gael was first used in English exclusively of Scottish Highlanders.