Pronunciation: (shiv'ul-rē),[key] —n., —pl.-riesfor 6. 1. the sum of the ideal qualifications of a knight, including courtesy, generosity, valor, and dexterity in arms.
2. the rules and customs of medieval knighthood.
3. the medieval system or institution of knighthood.
4. a group of knights.
5. gallant warriors or gentlemen: fair ladies and noble chivalry. 6. Archaic.a chivalrous act; gallant deed.