cav·ern·ous 
/ˈkævɚnəs/ adjective
/ˈkævɚnəs/ adjective [more cavernous; most cavernous] of a building or room : resembling a large cave : very large
▪ We toured the cavernous airplane hangar. ▪ The dance was held in a cavernous hall. ▪ a cavernous auditorium
▪ We toured the cavernous airplane hangar. ▪ The dance was held in a cavernous hall. ▪ a cavernous auditorium
