Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† plastĭcē, ēs, and -ca, ae, f., = πλαστική, the plastic art, statuary (post-Aug.): qui plasticen matrem statuariae scalpturaeque et caelaturae esse dixit, Plin. 35, 12, 43, § 151.
Form plastica, Tert. Cult. Fem. 2 fin. 5; id. Spect. 18.