Also, especially British, baptise. Origin of baptize Expand Middle English Late Latin Greek 1250-1300 1250-1300; Middle English Late Latin baptizāre Greek baptízein to immerse (bápt (ein) to bathe + -izein-ize) Related forms ...
:to perform the ceremony of baptism for (someone): to officially make someone a member of a specified Christian church through the ceremony of baptism ... Seen and Heard What made you want to look up baptize? Please tell us ...