What is the Latin word for baptismal?

The usual Latin words for “baptismal” are baptistērium, praenōmen, littera. The right choice depends on the sense; see the distinctions below.

English → Latin

“baptismal” in Latin

baptistēriumA place for bathing.; A baptistery or baptistry; a baptismal font.praenōmenpraenomen (a first name or given name; particularly the first of the tria nomina (three nouns) borne by free male Roman litteraletter (of the alphabet); handwriting; letter, epistle

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

baptismal

ad baptismum pertinens: baptismal font, baptisterium: baptismal name, praenomen: baptismal certificate, litterae, quae aliquem sacris Christianis initiatum esse testantur: to give a baptismal certificate, alicui litteris testari, eum sacris Christianis initiatum esse; or (if the date is the point) alicui litteris testari, quo die sacris Christianis initiatus fuerit.

Quick answer

What is the Latin word for baptismal?: The usual Latin words for “baptismal” are baptistērium, praenōmen, littera. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.