algidus

algĭdus, a, um, adj. [algeo],

cold : algida, sc. regio, Naev. ap. Cic. Or. 45, 152: loca, Cat. 63, 70.—Whence,

Algidus
A´LGIDUS(Ἄλγιδος), a mountain of Latium, forming part of the volcanic group of the Alban Hills, thou...

Dictionary of Greek and Roman Geography
algidus
algidus adj. algeo, cold : nix, Ct. ...

An Elementary Latin Dictionary
Algidus
Algĭdus, i, m., a high snow-capped mountain, and the forest upon it, south-east of Rome, between Tus...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.