cavernous /ˈkævɚnəs/ adjective Learner's definition of CAVERNOUS
[more cavernous; most cavernous] of a building or room
: resembling a large cave : very large似巨穴的;洞穴状的 -
We toured the cavernous airplane hangar.我们参观了似山洞一般的巨型飞机库。
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The dance was held in a cavernous hall.舞会是在大厅里举办的。
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a cavernous auditorium大礼堂