du guesclin

noun

1. Ber·trand [ber–trahn] /bɛrˈtrɑ̃/, the Eagle of Brittany, c1320–80, French military leader: constable of France 1370–80.

noun

1. Bertrand (bɛrtrɑ̃). ?1320–80, French military leader; as constable of France (1370–80), he helped to drive the English from France