chris·ten 
(krĭsən)
(krĭsən)tr.v. chris·tened, chris·ten·ing, chris·tens
1.
a. To baptize into a Christian church.
b. To give a name to at baptism.
2.
a. To name: christened the kitten "Snowball."
b. To name and dedicate ceremonially: christen a ship.
3. To use for the first time: christened the new car by going for a drive.
[Middle English cristnen, from Old English cristnian, from cristen, Christian; see CHRISTIAN.]