pectŏrālis — Lewis & Short
pectŏrālis, e, adj.pectus,
I of or belonging to the breast, breast-, pectoral:
pectorale os,the breast-bone, Cels. 8, 1:
tunicula,Amm. 14, 9, 7:
cinctum,App. M. 11, p. 261, 36:
fascia,Vulg. Isa. 3, 24 (Hier. in loc., Vulg. Jer. 2, 32).—Hence,
II Subst.: pectŏrāle, is, n., a breast-plate, Varr. L. L. 5, § 115 Müll.; Plin. 34, 7, 18, § 43.