Bagasse

from WordNet (r) 3.0 (2006)

bagasse
    n 1: the dry dusty pulp that remains after juice is extracted
         from sugar cane or similar plants

from The Collaborative International Dictionary of English v.0.48

Bagasse \Ba*gasse"\ (b[.a]*g[a^]s"), n. [F.]
   Sugar cane, as it comes crushed from the mill. It is then
   dried and used as fuel. Also extended to the refuse of
   beetroot sugar.
   [1913 Webster]