piscina
noun/pɪˈsiːnə/
Etymology From Latin piscīna (“fishpond; swimming pool”), from piscis (“fish”). Compare Middle English piscyne (“pool, pond”), from the same Latin word. By surface analysis, Latin pisc- + -ina.
1
A drained basin near a church's altar for the disposal of water from liturgical ablutions.
2
A basin or tank, especially one for holding fishes or for growing aquatic plants.