The Collaborative International Dictionary of English v.0.48:

Durian \Du"ri*an\, or Durion \Du"ri*on\, n. (Bot.)
   The fruit of the durio. It is oval or globular, and eight or
   ten inches long. It has a hard prickly rind, containing a
   soft, cream-colored pulp, of a most delicious flavor and a
   very offensive odor. The seeds are roasted and eaten like
   chestnuts.
   [1913 Webster]

WordNet (r) 3.0 (2006):

durion
    n 1: tree of southeastern Asia having edible oval fruit with a
         hard spiny rind [syn: durian, durion, durian tree,
         Durio zibethinus]