a (context|now|_|historical) (Native) British; pertaining to the Celtic peoples who inhabited much of Britain before the Roman occupation. (defdate|from 5th c.)
a (obsolete)foreign | Foreign; non-native. (defdate|10th-16th c.)
a Of or pertaining to Wales. (defdate|from 11th c.)
a Of or pertaining to the Celtic language of Wales. (defdate|from 16th c.)
a Designating plants or animals from or associated with Wales. (See Derived terms.) (defdate|from 17th c.)