Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
quincū̆plex, ĭcis, adj. [quinque-plico], fivefold (poet.): cera, a writing-tablet consisting of five waxed leaves, Mart. 14, 4: quincuplex Tolosa, consisting of five wards or quarters, Aus. Ep. 24, 83; Vop. Fl. 3.