CAVALIER, noun 1. A horseman, especially an armed horseman; a knight. 2. A gay, sprightly, military man. 3. The appellation of the party of king Charles I. 4. In fortification, an elevation of earth, situated ordinarily in the gorge of a bastion, bordered with a parapet, with embrasures. 5. In the manege, one who understands horsemanship; one skilled in the art of riding. CAVALIER, adjective 1. Gay; sprightly; warlike; brave; generous. 2. Haughty; disdainful.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI