rĕd-uncus — Lewis & Short
rĕd-uncus, a, um, adj.,
I curved or bent backwards (very rare;
syn.: recurvus, repandus): jamque aliis adunca, aliis redunca (cornua dedit),Plin. 11, 37, 45, § 125.— Poet., in gen., curved, bent:
pennis rostroque redunco,Ov. M. 12, 562:
ora redunca,id. ib. 11, 342.