- a gigantic (30-45 m or 100-150 ft) South American tree (Bertholletia excelsa) of the lecythis family, which bears hard-shelled, triangular, oily, edible seeds that grow in large, round, hard-shelled fruits
- this seed
See Brazil nut in American Heritage Dictionary 4
- A tropical South American evergreen tree (Bertholletia excelsa) having globose, woody fruit and edible, dark brown, three-sided seeds.
- The seed of this tree.
Origin: After Brazil
Learn more about Brazil nut