Source : Webster's Revised Unabridged Dictionary (1913)

Brazil nut \Bra*zil" nut`\ (Bot.)
   An oily, three-sided nut, the seed of the {Bertholletia
   excelsa}; the cream nut.

   Note: From eighteen to twenty-four of the seed or ``nuts''
         grow in a hard and nearly globular shell.

Source : WordNet®

Bertholletia excelsa
     n : tall South American tree bearing brazil nuts [syn: {brazil
         nut}, {brazil-nut tree}]