Source : Webster's Revised Unabridged Dictionary (1913)

Cocoanut \Co"coa*nut`\, n.
   The large, hard-shelled nut of the cocoa palm. It yields an
   agreeable milky liquid and a white meat or albumen much used
   as food and in making oil.

Source : WordNet®

cocoanut
     n : large hard-shelled oval nut with a fibrous husk containing
         thick white meat surrounding a central cavity filled
         (when fresh) with fluid or milk [syn: {coconut}]