| 单词 | rain vault | 
| 释义 | > as lemmasrain vault   rain vault  n. rare a repository or receptacle for the collection of rainwater; spec.		 (a) Roman History †a compluvium (obsolete);		 (b) a type of concrete rainwater storage tank (a proprietary name in Australia). ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > parts of building > roof > 			[noun]		 > opening for collection of rainwater rain vault1552 compluvium1832 1552    R. Huloet Abcedarium Anglico Latinum  				Rayne volte, Compluuius lacus. 2006    Constr. Contractor 		(Austral.)	 		(Nexis)	 July  				Winner: Humes Rain Vault (rainwater harvesting system). < as lemmas  | 
	
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