Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pătăgĭārĭus, ii, m. [patagium], a bo<*>ler-maker, Plant. Aul. 3, 5, 35; Inscr. Don. cl. 8, n. 78; ct. Fest. s. v. patagium, p. 221 Müll.