Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lemniscātus, a, um, adj. [lemniscus], adorned with pendent ribbons: corona, Serv. Verg. A. 5, 269; 6, 772: palma, lit., a palm-branch ornamented with ribbons, the highest reward of a victor; hence, transf., for highest reward: palma (as the reward for a murder), Cic. Rosc. Am. 35, 100; Tert. Anim. 1.