Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† myŏpăro, ōnis, m., = μυοπάρων, a kind of light piratical vessel, Cic. Verr. 2, 3, 80, § 186; 2, 1, 34, § 87; Fragm. ap. Non. 534, 16; cf. Paul. ex Fest. p. 147 Müll.