ˌmakəˈdāmēə, -dam- noun
Etymology: New Latin, from John Macadam died 1865 Australian chemist born in Scotland + New Latin -ia
1. capitalized : a small genus of Australian evergreen trees (family Proteaceae) including one ( M. ternifolia ) that is widely cultivated in warm regions for its edible nut
2. -s
a. or macadamia tree : any tree of the genus Macadamia
b. : macadamia nut