Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ālātus, a, um, adj. [ala], furnished with wings, winged (only poet.).
Of Mercury: plantae, * Verg. A. 4, 259: pes, Ov. F. 5, 666: Phoebus alatis aethera carpit equis, id. ib. 3, 416.