Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
†† brācae (not braccae), ārum (once in sing. brāca, ae, Ov. Tr. 5, 10, 34; and as access. form brāces, Edict. Diocl. p. 20), f. [Germ.; Swed. brōk; Angl. -Sax. brōk; Engl. breeches; Dutch, broek], trowsers, breeches; orig. worn only by barbarians, i.e. neither Greeks nor Romans: barbara tegmina crurum, Verg. A. 11, 777; in the time of the emperors also among the Romans, Ov. Tr. 5, 7, 49: Galli bracas deposuerunt, latum clavum sumpserunt, Poët. ap. Suet. Caes. 80 al.: virgatae, Prop. 4 (5), 10, 43: bracas indutus, Tac. H. 2, 20; Juv. 2, 169: pictae, Val. Fl. 6, 227: Sarmaticae, id. 5, 424: albae, Lampr. Alex. Sev. 40 fin. al.; Cod. Th. 14, 10, 2; cf. Burm. Anth. Lat. 2, p. 518, and bracatus.