Sentence:  She granted the Whitefriars identical powers to the Blackfriars, to bless a part of their friar's habit which draped over their shoulders and was known as the <WSD>scapular</WSD>; now laity could wear it and derive spiritual privileges from it. 
Meaning of the word marked with <WSD> tags:  A short cloak worn around the shoulders, adopted as part of the uniform of various religious orders, later often with an embroidered image of a saint. (from 15th c.)