Moesa Save Could not find Moesis in Logeion dictionaries. Moesis Proper-name noun: feminine dative plural, Proper-name noun: feminine ablative plural of Moesa Moesis Proper-name noun: masculine ablative plural, Proper-name noun: masculine dative plural of Moesi See Moesis in Morpho Lewis & Short Gaffiot 2016 Moesa, ae, f., the grandmother of Heliogabalus, Lampr. Heliog. 10. Mœsa, æ, f. , aïeule dʼHéliogabale : Lampr. Hel. 10.