E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Corinthian (A).
A licentious libertine. The immorality of Corinth was proverbial both in Greece and Rome. To Corinthianise is to indulge in licentious conduct. A gentleman sportsman who rides his own horses on the turf, or sails his own yacht.
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A Corinthian. A member of the pugilistic club, Bond Street, London.