/don wahn"/ or, Sp., /dawn hwahn"/ for 1, 2; esp. for 4 /don jooh"euhn/
1. a legendary Spanish nobleman famous for his many seductions and dissolute life.
2. a libertine or rake.
3. a ladies' man; womanizer.
4. ( italics ) an unfinished epic satire (1819-24) by Byron.