Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ānŭlārĭus, a, um, adj. [anulus], of or pertaining to a signet-ring: creta = anulare (v. anularis), Vitr. 7, 14: * Scalae anulariae, a place in Rome, in the eighth district (the origin of the name is unknown), Suet. Aug. 72.
Hence, subst.: ānŭlārĭus, ii, m., a ring-maker, Cic. Ac. 2, 26, 86.