Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. Anna, ae, f., [??] (cf. Gesen. Gesch. Hebr. Spr. p. 228), the sister of Dido, Verg. A. 4, 9 et saep.; Ov. H. 7, 191; Sil. 8, 55 al.