barbarossa

noun

1. Frederick. Frederick I(def 1).
2. the planning and operational code name the Germans gave to their invasion of the Soviet Union (June 22, 1941).

noun

1. Aruj, died 1518, Barbary pirate, born in Greece.

noun

1. Khair ed-Din, c1466–1546, Barbary pirate, born in Greece (brother of Barbarossa I).

noun

1. the nickname of the Holy Roman Emperor Frederick ISee Frederick Barbarossa
2. real name Khair ed-Din . c . 1465–1546, Turkish pirate and admiral: conquered Tunis for the Ottomans (1534)