pectŏrōsus — Lewis & Short
pectŏrōsus, a, um, adj.id.,
I with a large or high breast, full-breasted, broadbreasted:
sint ergo matrices quadratae, pectorosae, magnis capitibus,Col. 8, 2, 8; Plin. 14, 22, 28, § 140:
nemo est feroci pectorosior Marte,Auct. Priap. 37.