JMdict entry #1003330

1. nouns which may take the genitive case particle 'no'adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) word usually written using kana alone empty; hollow; bare; vacant; deserted
2. noun (common) (futsuumeishi) Buddhism main hall of a temple (often vast and empty)
   see: 伽藍・1