Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† hippăgōgi, ōrum (Gr. acc.-gūs, v. infra), f., = ἱππαγωγοί, vessels for transporting horses, cavalry-transports: quinque et triginta naves, quas hippagogus vocant, ab Elea profectae, cum equitibus Gallis equisque, Liv. 44, 28, 7; cf. hippagines and hippegus.