What is Baptised?

Baptised definition and meaning on Dictionary terms:
verb (used with object), bapA.tized,
to immerse in water or sprinkle or pour water on in the Christian rite of baptism: They baptized the new baby.
to cleanse spiritually; initiate or dedicate by purifying.
to give a name to at baptism; christen.

verb (used without object), bapA.tized,
to administer baptism.