Source : Webster's Revised Unabridged Dictionary (1913)

Stupeous \Stu"pe*ous\, a. [L. stupa, or better stuppa, tow; cf.
   L. stuppeus made of tow. Cf. {Stupose}.]
   Resembling tow; having long, loose scales, or matted
   filaments, like tow; stupose.