The round, hard-shelled nut or the edible white kernel of either of two evergreen trees (Macadamia integrifolia or M. tetraphylla) native to Australia and widely cultivated in Hawaii.
A spherical, hard-shelled, edible nut from an Australian tree (Macadamia ternifolia) of the protea family, cultivated in Hawaii.
Origin of macadamia-nut
- New Latin Macadamia genus name after John Macadam (1827–1865), Scottish-born Australian chemist
From American Heritage Dictionary of the English Language, 5th Edition