cavalier

1. A military man serving on horse, early modern cavalry officers who had abandoned the heavy armor of medieval knights.
2. A gallant: a sprightly young dashing military man.
3. A gentleman of the class of such officers, particularly:
4. Someone with an uncircumcised penis.
5. A defensive work rising from a bastion, etc., and overlooking the surrounding area.

verb

Of a man: to act in a gallant and dashing manner toward (women).

1. Not caring enough about something important.
2. High-spirited.
3. Supercilious.
4. Of or pertaining to the party of King Charles I of England (1600–1649).