Sentence:  <WSD>Carol</WSD>, or Carrel. A little pew, or closet, in a cloister, to sit and read in. They were common in greater monasteries, as Duram, Gloucester, Kirkham in Yorkshire, &c.; and had their name from the "carols", or sentences inscribed on the walls about them, which often were couplets in rhyme. ["Carola", Low Latin.] 
Meaning of the word marked with <WSD> tags:  A small closet or enclosure built against a window on the inner side, to sit in for study.