Old English

(linguistics, history) The ancestor language of Modern English, also called Anglo-Saxon, spoken in most of Britain from about 400 to 1100.

(nonstandard, colloquial, proscribed) Archaic English (Early Modern English) or Middle English speech or writing, or an imitation of this: "old" English.

(typography, historical) The form of black letter used by 16th-century English printers.

(Ireland, history) A historical ethnic group in Ireland descended from Norman invaders from Britain from the 12th century to the 17th century.