re ‧ joice /rɪˈdʒɔɪs/ BrE AmE verb [intransitive]
[ Date: 1300-1400 ; Language: Old French ; Origin: rejoir , from Latin gaudere 'to rejoice' ]
1 . literary to feel or show that you are very happy
rejoice at/over/in
His family rejoiced at the news.
We rejoiced in our good fortune.
2 . rejoice in the name/title (of) something British English to have a name or title that is silly or amusing:
He rejoices in the name of Pigg.