coco de macao co·co·de·macao uncommon noun 1. tall feather palm of northern Brazil with hard-shelled nuts yielding valuable oil and a kind of vegetable ivory Synonymsbabassubabassu palmcoco de macaoOrbignya phalerataOrbignya spesiosaOrbignya martiana Related words Broader terms feather palm Parts Orbignya Part of babassu nut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.