English

Definition of cistern noun from the Oxford Advanced Learner's Dictionary

 

cistern

 noun
noun
BrE BrE//ˈsɪstən//
 
; NAmE NAmE//ˈsɪstərn//
 
House equipment
 
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a container in which water is stored in a building, especially one in the roof or connected to a toilet See related entries: House equipment Word Origin Middle English: from Old French cisterne, from Latin cisterna, from cista ‘box’, from Greek kistē.
See the Oxford Advanced American Dictionary entry: cistern