CAVALIER

I. noun Etymology: Middle French, from Old Italian ~e, from Old Occitan ~, from Late Latin caballarius horseman, from Latin caballus Date: 1589 a gentleman trained in arms and horsemanship, a mounted soldier ; knight , an adherent of Charles I of England, gallant , II. adjective Date: circa 1641 debonair , marked by or given to offhand and often disdainful dismissal of important matters , 3. of or relating to the party of Charles I of England in his struggles with the Puritans and Parliament, aristocratic , of or relating to the English Cavalier poets of the mid-17th century, ~ism noun ~ly adverb