What does the word debut mean?

Usage examples for debut

  1. The present volume contains Mogens, the story with which he made his literary debut, and other characteristic stories. – Mogens and Other Stories Mogens; The Plague At Bergamo; There Should Have Been Roses; Mrs. Fonss by Jens Peter Jacobsen
  2. They had suspended him from his office,- they feared that the new opera, and the first debut of his daughter as prima donna, would be too much for his nerves. – Zanoni by Edward Bulwer Lytton