a legendary Spanish nobleman famous for his many seductions and dissolute life.

a libertine or rake.

a ladies' man; womanizer.

( italics ) an unfinished epic satire (1819?24) by Byron.

a legendary Spanish nobleman and philanderer who became the hero of many poems and plays and operas

any successful womanizer (after the legendary profligate Spanish nobleman)

noun

casanova , casanova * , lothario , prince charming , romeo , romeo * , charmer , heartbreaker , ladies\' man , ladies’ man , lady-killer , libertine , lover , philanderer , playboy , rake , rou , seducer , skirt chaser , smooth operator , stud , wolf , woman chaser , debaucher , amorist , lady\'s man , womanizer