The Collaborative International Dictionary of English v.0.48:

babassu \babassu\ n.
   1. a tall feather palm of northern Brazil (Orbignya
      barbosiana) with hard-shelled nuts yielding a valuable
      oil () with hard-shelled nuts yielding a valuable oil ()
      and a kind of vegetable ivory.

   Syn: babassu palm, coco de macao, Orbignya phalerata,
        Orbignya spesiosa, Orbignya martiana.
        [WordNet 1.5] babbiting

WordNet (r) 3.0 (2006):

Orbignya martiana
    n 1: tall feather palm of northern Brazil with hard-shelled nuts
         yielding valuable oil and a kind of vegetable ivory [syn:
         babassu, babassu palm, coco de macao, Orbignya
         phalerata, Orbignya spesiosa, Orbignya martiana]