What does the word regency mean?

Usage examples for regency

  1. When M. le Duc d'Orleans was free he led me into the cabinet, behind the grand salon, by the Rue de Richelieu, and on entering said he was at the crisis of his regency, and that everything was needed in order to sustain him on this occasion. – The Memoirs of Louis XIV., Volume 12 And His Court and of The Regency by Duc de Saint-Simon
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