Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† āverta, ae, f., = ἀορτής, a portmanteau or saddle-bags (in pure Lat., mantica; cf. Acron. ad Hor. p. 1, 6, 106), Cod. Th. 8, 5, 47; Imp. Leo Cod. 12, 51 al.