Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* 1. caepārĭus, ii, m. [caepa], a trader in onions. Lucil ap Non. p 201, 10.
2. Caepārĭus, ii, m., a Roman proper name; esp., M. Caeparius, an adherent of Catiline. Cic. Cat. 3, 6, 14; id. Fam. 9, 23. Sall. C. 46, 3.