“Casanova” is a term that means “womanizer” or “lady’s man.” It is a man who has many female lovers.
It comes from the last name of a famous 18 century Italian explorer, Giacomo Casanova, who had many female lovers and wrote about them in his memoirs.
So if a man is involved romantically with many women, you may hear a phrase like, “He is a real Casanova.”
