baptistērĭum, ii, n., = βαπτιστήριον.
I A place for bathing or swimming , a vessel for bathing , Plin. Ep. 5, 6, 25; 2, 17, 11; Sid. Ep. 2, 2.—
II In eccl. Lat., a baptistery , a baptismal font , Sid. Ep. 4, 15.