1. A man who is amorously and gallantly attentive to women.
2. A promiscuous man; a philanderer.

[After Giovanni Jacopo CASANOVA DE SEINGALT.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.