Entry 1 sense Webster, 1913 Atheling /(ăth"ĕl*ĭng)/ · Ath·el·ing · IPA /ˈæðəlɪŋ/ 01 n. An Anglo-Saxon prince or nobleman; esp., the heir apparent or a prince of the royal family. 1. An Anglo-Saxon prince or nobleman; esp., the heir apparent or a prince of the royal family.