the system, spirit, or customs of medieval knighthood
the qualities, e.g. courage, integrity, and consideration, of an ideal knight; chivalrous conduct
courteous behaviour, esp towards women
I admit it is more fun to punt than be punted, and that a desire to have all the fun is nine-tenths of the law of chivalry — Dorothy L Sayers
archaic (treated as sing. or pl)
knights
mounted men-at-arms
chivalric /shiʹvalrik, ʹshiv-/ adj
[Middle English chivalrie from Old French chevalerie, from chevalier: see chevalier]