Vocabulary What does 岩屋 (いわや, iwaya) mean? 岩屋 (いわや, iwaya) means cavern; grotto. Quick factsReadingいわやRomajiiwayaPart of speechnoun 岩屋いわやiwayacavern; grotto1noun cavern; grottoAlso written: 石屋、窟Kanji in this word岩rock, boulder屋house, roof; shop, store
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