= British, adj. 1a. Now historical.

Of or relating to the Brittonic-speaking peoples originally inhabiting all of Britain south of the Firth of Forth before and during the Roman…

Of or relating to the Britons.

Of or relating to the Britons (Briton, n. 1). Obsolete.

Of or relating to the Welsh Britons or their language.

Of, relating to, or designating the people originally inhabiting all of Britain south of the Firth of Forth before and during the Roman occupation…