In Christianity, baptism (Greek, "immersing", "performing ablutions") is the sacramental act of cleansing in water that admits one as a full member of the Church.
http://en.wikipedia.org/wiki/Baptism

Definitions of baptism at Dictionary.com. ... Why is baptism important? A Bible study on relation between Jesus' baptism and water baptism
http://dictionary.reference.com/search?q=baptism

Wide and balanced variety of information and resources by this organisation campaigning to end indiscriminate infant baptism in the Church of England.
http://www.baptism.org.uk/

What is ?Baptism?? - John Hartley. It's quite difficult to find a concise definition of baptism. These notes try to offer a relatively short theological ...
http://www.baptism.org.uk/what_is_baptism.htm

New log bed and breakfast located on Minnesota's Lake Superior North Shore near Silver Bay. Peaceful location on thirty-two beautifully wooded acres alongside the Baptism River.
http://www.baptismriverinn.com/