Anglo-Saxon (Adjective) — Of or relating to the Anglo-Saxons or their language. ex. "Anglo-Saxon poetry" ex. "The Anglo-Saxon population of Scotland"
Anglo-Saxon (Noun) — English prior to about 1100.
Anglo-Saxon (Noun) — A native or inhabitant of England prior to the Norman Conquest.
Anglo-Saxon (Noun) — A person of Anglo-Saxon (especially British) descent whose native tongue is English and whose culture is strongly influenced by English culture as in WASP for 'White Anglo-Saxon Protestant'. ex. "in the ninth century the Vikings began raiding the Anglo-Saxons in Britain" ex. "his ancestors were not just British, they were Anglo-Saxons"