spēlunca (noun F) = σπήλυγξ:
* Gen.γγος.
* A cave, cavern, den (class.; syn. specus): Philocteta jam decimum annum in speluncā jacet,Cic. Fin. 2, 29, 94; Cic. Verr. 2, 4, 48, § 107; id. Fat. 3, 6; id. Fl. 17, 39; Verg. G. 2, 469; 3, 145; 4, 364; id. A. 1, 60: viridis,Prop. 3, 3 (4, 2), 27: pumice pendens,Ov. Am. 3, 1, 3; Val. Fl. 4, 177 al.
* Spelunca, name of a country-seat of Tiberius, near Terracina, Tac. A. 4, 59; Suet. Tib. 39; Plin. 3, 5, 9, § 59.