BAPTIZE Meaning of BAPTIZE in English or baptise■ verb1》 administer baptism to. 2》 give a specified name or nickname to.OriginME: via OFr. from eccles. L. baptizare , from Gk ~in 'immerse, ~'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004