A brief, intentional reference to a historical, mythic, or literary person, place, event, literary work, or movement. “The Waste Land,” T. S. Eliot’s influential long poem is dense with allusions. The title of Seamus Heaney’s autobiographical poem “Singing School” alludes to a line from W.B. Yeats’s “Sailing to Byzantium” (“Nor is there singing school but studying /Monuments of its own magnificence”). Browse poems with allusions.