Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
‡ cūrĭōnĭus, a, um, adj. [1. curio, I.], of or pertaining to the priest of a curia: curionium aes dicebatur quod dabatur curioni ob sacerdotium curionatus, Paul. ex Fest. p. 49, 19 Müll.: curionia sacra, quae in curiis fiebant, id. ib. p. 62, 11.