Sentence:  It is not a <WSD>medieval</WSD> mental quirk or an attitude `` unnourished by sense '' to believe that husbands and wives should not be subjected to such a risk , or that such a possibility should not be permitted to endanger the confidentiality of the marriage relationship . 
Meaning of the word marked with <WSD> tags:  characteristic of the time of chivalry and knighthood in the Middle Ages