Ferdinand I fer·di·nandi uncommon noun 1. Holy Roman Emperor and king of Hungary and Bohemia (1503-1564) SynonymsFerdinand I 2. king of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065) SynonymsFerdinand IFerdinand the Great Related words Word family Ferdinand IIFerdinand III Broader terms kingHoly Roman Emperor WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
