Definition of Anglo-Frisian in US English:

Anglo-Frisian

noun

  • The hypothetical parent language of the Old English and Old Frisian languages; (also) the subdivision of the West Germanic language group containing Old English and Old Frisian.

adjective

  • 1Of or relating to the hypothetical language Anglo-Frisian; (also) of or belonging to the West Germanic linguistic subgroup containing Old English and Old Frisian.

  • 2Involving both England (or Britain) and Friesland.

Origin

Late 19th century; earliest use found in Henry Sweet (1845–1912), phonetician and comparative philologist. From Anglo- + Frisian. With use as adjective compare earlier Anglo-Friesic.