Queens·land nut Bot. The nut of an Australian tree (Macadamia ternifolia). It is about an inch in diameter, and contains a single round edible seed, or sometimes two hemispherical seeds. So called from Queensland in Australia.
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Macadamia ternifolia
n : small Australian tree with racemes of pink flowers; widely
cultivated (especially in Hawaii) for its sweet edible
nuts [syn: macadamia nut, macadamia nut tree]