Source : Webster's Revised Unabridged Dictionary (1913)

Pithecoid \Pith"e*coid\, a. [Gr. ? an ape + -oid.] (Zo["o]l.)
   1. Of or pertaining to the genus {Pithecia}, or subfamily
      {Pithecin[ae]}, which includes the saki, ouakari, and
      other allied South American monkeys.

   2. Of or pertaining to the anthropoid apes in particular, or
      to the higher apes of the Old World, collectively.