Final answer:
Chivalry refers to a code of conduct that reflects Christian values and aims to Christianize knightly violence and behavior.
Step-by-step explanation:
The word chivalry in this text refers to a code of conduct or ideal behavior that reflects the values of the Christian church and aims to Christianize knightly violence and behavior. The context clues that help determine the meaning of this word include phrases such as 'a code of conduct that was meant to Christianize knightly violence and behavior' and 'they should protect the church as well as women and the defenseless.'