Cavalier

1. a. Of or pertaining to the party of King Charles I.
2. n. A military man serving on horseback; a knight.
3. n. A gay, sprightly, military man; hence, a gallant.
4. n. One of the court party in the time of king Charles I. as contrasted with a Roundhead or an adherent of Parliament.
5. n. A work of more than ordinary height, rising from the level ground of a bastion, etc., and overlooking surrounding parts.
6. a. Gay; easy; offhand; frank.
7. a. High-spirited.
8. a. Supercilious; haughty; disdainful; curt; brusque.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.