いわや 岩屋 LinksSentence search for 岩屋Sentence search for いわやSentence search for 石屋Sentence search for 窟Kanji details for 岩 and 屋Edit in JMdict Noun1. cavern; grottoOther forms石屋 【いわや】、窟 【いわや】 Discussions Log in to talk about this word.