Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. pansa, ae, adj. [pando], broad-footed, splay-foot, Plaut. Merc. 3, 4, 55.
2. Pansa, ae, m., a Roman surname, e. g. C. Vibius Pansa, Cic. Fam. 10, 33, 3; 15, 17, 3; id. Phil. 5, 19, 53; 11, 9, 22 et saep.; cf. Plin. 11, 45, 105, § 254; Juv. 8, 96. († pansĕbastus, a false read. for panerastus; v. paneros, Plin. 37, 10, 66, § 178.)