Lewis Short
(adjective) : infernas, ātis, infernus
* Of or from the lower country, lowland (rare): abies,Plin. 16, 39, 76, § 197; Vitr. 2, 10: navicularii,Inscr. Orell. 1084: terra,Mart. Cap. 6, § 603.
Charlton T. Lewis, Charles Short, A Latin Dictionary