Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

2. Dīdō, ūs and ōnis, f., Διδώ, the celebrated foundress of Carthage, daughter of the Tyrian king Belus, wife of Sichaeus, and sister of Pygmalion; called also Elisa or Elissa.
Nom.
Dido, Verg. A. 1, 299; 340; 360 et saep.; Ov. Am. 2, 18, 25; id. F. 3, 545; 640.
Gen. Dīdōnis, Just. 11, 10, 13; Aug. Conf. 1, 13; Macr. Sat. 4, 3, 6 al.: Dīdūs, Cornutus ap. Charis. p. 102 P.
Dat. Dīdō, Macr. Sat. 5, 2, 14 (dub. al. Didoni): Dīdōni, Tert. Anim. 33.
Acc. Dīdō, Verg. A. 4, 383; Ov. H. 7, 7; 133 (in both passages several MSS. read Didon); Vell. 1, 6, 2: Didonem, Treb. Pol. Trig. Tyr. 27, 1; August. Conf. 1, 13: Dīdūn, Atteius ap. Charis. l. l.
Abl. Dīdōne, Enn. ap. Prisc. p. 685 P.; Serv. Verg. A. 1, 223 (cf. Neue Formenl. 1, 352).