Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. Appĭānus, a, um, adj. [Appia], pertaining to Appia (a town in Phrygia Major): legati, Cic. Fam. 3, 7; and subst.: Appĭāni, ōrum, m., the inhabitants of Appia, Plin. 5, 29, 29, § 105.
2. Appĭānus, a, um, adj. [Appius], of or pertaining to Appius: libido, Liv. 3, 51: caedes, Tac. A. 11, 29: mala, apples (of great excellence), Plin. 15, 14, 15, § 49.
3. Appĭānus, a, um, adj. [Appius], Appian, of a castle in Rhætia: viride, quod Appianum vocatur, i. e. a kind of poor green soil, Plin. 35, 6, 29, § 48.