Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lūdĭo, ōnis, m. [ludus], a stage-player, pantomimist: ludiones ex Etruria acciti, Liv. 7, 2, 4: ludionum oblectamenta, id. 39, 6; App. Flor. 4, 18, p. 359, 8; cf. 1. ludius, I.