(3 syl.). A mythical hero in the suite of Brute, who conquered the giant Goëm'agot, for which achievement the whole western horn of England was allotted him. He called it Corinea, and the people Corineans, from his own name.
In meed of these great conquests by them got, Corineus had that province utmost west To him assynëd for his worthy lot, Which of his name and memorable gest, He callëd Cornwall.
Spenser: Faërie Queene, ii. 10.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894