From Longman Dictionary of Contemporary Englishdebutantedeb‧u‧tante /ˈdebjʊtɑːnt/ (also deb informal) noun [countable] HIGH POSITION OR RANKa young rich upper-class woman who starts going to fashionable events as a way of being introduced to upper-class society
Examples from the Corpus
debutante• Young ladies being presented for the first time were known as debutantes.• She was the most famous debutante of 1925.• It is a proper school, not just a training ground for debutantes.• One of this year's debutantes, Primrose was pretty but still far too much of a schoolgirl to interest Aubrey.• The young woman he saw was neither a giggling schoolgirl, a serene debutante, nor a smiling fiancee.• In mid-September, she was one of ten debutantes invited to join and choose the membership of the 1911 Sewing Circle.Origin debutante (1800-1900) French débutante, from débuter; → DEBUT1