vivat UK /ˈviːˌvæt/US /ˈviˌvɑt/exclamation 1noun 1forms 1 exclamation1 •A cry wishing someone long life and prosperity.The magistrates were mobbed by vivat-yelling crowds, some 10,000 of whom made their way to the Bastille where they clamoured for Rohan's release. — 2002 noun1 •An utterance of the interjection vivat.The King swears; and now be the welkin split with vivats[.] — 1837 formsvivats
