Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
antīcus, a, um, adj. [ante], that is in front, foremost, Paul. ex Fest. p. 220 Müll.: antica (pars) ad meridiem, postica ad septentrionem, Varr. L. L. 7, § 7 Müll.: pars, * Cic. Tim. 10.