Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
peltātus, a, um, adj. [pelta], armed with the pelta, Ov. Am. 2, 14, 2; id. H. 21, 117: Amazon, Mart. 9, 102, 5: cohors, Claud. Fescenn. de Nupt. Honor. et Mar. 33.