BAPTIZE Meaning of BAPTIZE in English v.tr. (also -ise) 1 (also absol.) administer baptism to. 2 give a name or nickname to; christen. [ ME f. OF baptiser f. eccl.L baptizare f. Gk baptizo immerse, baptize ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012