logionPronunciation: /ˈlɒgɪɒn, ˈləʊ-/Definition of logion noun (plural logia /-gɪə/) a saying attributed to Christ, especially one not recorded in the canonical Gospels. Origin: late 19th century: from Greek, 'oracle', from logos 'word'logion in other Oxford dictionaries Definition of logion in the US English dictionary