I.of or belonging to a decuria: “leges,” Cod. Just. 11, 13, 2; hence subst., a member of a decuria (mostly post-class.): “numerus,” Tert. Anim. 37: “DECVRIALIVM GERVLORVM DISPENSATOR,” Inscr. Orell. 874; 976; 2252; 3216 al.; Fragm. Vat. § 142.
dĕcŭrĭālis , e, adj. decuria,