quandong tree quan·dongt·ree uncommon noun 1. Australian tree with edible flesh and edible nutlike seed Synonymsquandongquandangquandong treeEucarya acuminataFusanus acuminatus 2. Australian tree having hard white timber and glossy green leaves with white flowers followed by one-seeded glossy blue fruit Synonymsquandongquandong treeBrisbane quandongsilver quandong treeblue figElaeocarpus grandis Related words Broader terms tree Parts ElaeocarpusEucarya Part of silver quandongquandongquandong nut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.