A coarse woolen clothing fabric usually dyed red and used sometimes for undershirts of penitents. Also, archaically, the bright red color of stammel. The word is archaic.
From the story “Actors” in the collection Dictation by Cynthia Ozick, page 79.
The usage in context here is pretty undistinguished, as the word appears in a list of words that the author of crossword puzzles happens to know. It’s not really worth quoting.