MACADAMIA NUT

[mac.a.da.mia nut] n [NL Macadamia, fr. John Macadam d. 1865 Australian chemist] (1929): a hard-shelled nut somewhat resembling a filbert and produced by an Australian evergreen tree (Macadamia integrifolia) of the protea family that is cultivated extensively in Hawaii--called also macadamia