cavalier >> /ˌkævəˈlɪr/
Definition: [noun] A supporter of King Charles I in the English Civil War.A dashing and attentive man, especially one acting as a lady's escort.A horseman, especially a cavalryman.
Example: Those loyal to Parliament were called Roundheads; those loyal to the king were Cavaliers.
Definition: [noun] A small spaniel of a breed with a moderately long, noncurly, silky coat.
Example: They also added the word cavalier to the breed's name.
Definition: [adjective] Showing a lack of proper concern; offhand.
Example: Anne was irritated by his cavalier attitude