I. noun 1. a story, poem, or picture which can be interpreted to reveal a hidden meaning, typically a moral or political one • Pilgrim’s Progress is an allegory of the spiritual journey.
2. a symbol. II. derivatives allegorist /ˈalɪɡərɪst / noun
– origin late Middle English: from Old French allegorie, via Latin from Greek allēgoria, from allos ‘other’ + -agoria ‘speaking’.