[ pɪ'si:nə , pɪ'sʌɪnə ]
■ noun ( plural ~s or ~e -ni: )
1》 a stone basin near the altar in Catholic and pre-Reformation churches for draining water used in the Mass.
2》 (in ancient Roman architecture) a bathing pool.
Origin
C16: from L., lit. 'fish pond', from piscis 'fish'.