a cave, or a chamber in a cave, typically a large one (尤指大的)洞穴,山洞;(洞穴的)深凹处,深处 ■used in similes and comparisons to refer to a vast, dark space 大而黑之处(用于比喻、比较中) a dark cavern of a shop. 家像一个黑沉沉的山洞似的商店。
语源
late Middle English: from Old French caverne or from Latin caverna, from cavus 'hollow'. Compare with cave