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illūsĭo (inl-), ōnis, f. [illudo],
- I. a mocking, jeering; irony, a figure of speech, = derisio, insultatio, Cic. de Or. 3, 53, 202; also ap. Quint. 9, 1, 28; cf. id. 8, 6, 54.
- II. An illusion, deceit (eccl. Lat.), Vulg. Psa. 37, 7; Isa. 66, 4.