Meaning of CISTERN in English

CISTERN

cis ‧ tern /ˈsɪstən $ -ərn/ BrE AmE noun [countable]

[ Date: 1200-1300 ; Language: Old French ; Origin: cisterne , from Latin cisterna , from cista 'box' ]

a container in which the supply of water for a building is stored inside the building SYN tank

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.