Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕ-sīmus, a, um, adj., turned up, bent back: nares (boum, simiarum), Col. 6, 1, 3; Ov. M. 14, 95: rostrum hippopotami, Plin. 8, 25, 39, § 95: labra canis, Varr. R. R. 2, 9, 3: renes, Cels. 4, 1: lamina, id. 8, 3: plaga, id. 7, 26, 2.