Charles the Great char·lest·heg·reat uncommon noun 1. king of the Franks and Holy Roman Emperor; conqueror of the Lombards and Saxons (742-814) SynonymsCharlemagneCharles ICharles the Great Related words Broader terms Holy Roman EmperorCarolingian WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
