christening

christening /ˈkrɪsənɪŋ/ noun
plural christenings
christening
/ˈkrɪsənɪŋ/
noun
plural christenings
Britannica Dictionary definition of CHRISTENING
[count]
1 
: the ceremony of baptizing and naming a child
2 
: the official ceremony in which something (such as a ship) is named