baptisterium

From Ancient Greek βαπτιστήριον (baptistḗrion).

• (Classical) IPA^(key): /bap.tisˈteː.ri.um/, [bäpt̪ɪs̠ˈt̪eːriʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /bap.tisˈte.ri.um/, [bäpt̪isˈt̪ɛːrium]

baptistērium n (genitive baptistēriī or baptistērī); second declension

1. A place for bathing.
2. (Ecclesiastical Latin) A baptistery or baptistry; a baptismal font.

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

• “baptisterium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• baptisterium in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• baptisterium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “baptisterium”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “baptisterium”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin