Source : Webster's Revised Unabridged Dictionary (1913)

Fuscous \Fus"cous\, a. [L. fuscus.]
   Brown or grayish black; darkish.

         Sad and fuscous colors, as black or brown, or deep
         purple and the like.                     --Burke.

Source : WordNet®

fuscous
     adj : having a dusky brownish gray color [syn: {taupe}]