The Collaborative International Dictionary of English v.0.48:

Drugget \Drug"get\, n. [F. droguet, prop. dim. of drogue trash,
   stuff, perh, the same word as drogue drug, but cf. also W.
   drwg evil, bad, Ir. & Gael. droch, Arm. droug, drouk. See 3d
   Drug.]
   (a) A coarse woolen cloth dyed of one color or printed on one
       side; generally used as a covering for carpets.
   (b) By extension, any material used for the same purpose.
       [1913 Webster]

WordNet (r) 3.0 (2006):

drugget
    n 1: a rug made of a coarse fabric having a cotton warp and a
         wool filling