From Longman Dictionary of Contemporary Englishchristeningchris‧ten‧ing /ˈkrɪsənɪŋ/ noun [countable] RRCa Christian religious ceremony at which a child is officially given a name and becomes a member of a Christian church → baptism
Examples from the Corpus
christening• It was a christening that seemed to hunger for significance.• The soldiers stomp on faces in photographs taken at weddings and christenings.• My five-year-old godson's grandparents brought him a small, framed drawing for his christening present.• The party had been held in nearby Lidget Green to celebrate the christening of Zatun's three-week-old baby.• It was a supper to celebrate the christening of their new baby.• I would watch her getting ready for the christenings and weddings at which my father officiated.• Shades of the christening party in Sleeping Beauty.• That's the only time I saw you, at your christening.