WordNet sense 1 (Australian tree with edible flesh and edible nutlike seed):

quandang, Eucarya acuminata, Fusanus acuminatus, quandong tree

WordNet sense 2 (the fruit of the Brisbane quandong tree):

blue fig

WordNet sense 3 (Australian tree having hard white timber and glossy green leaves with white flowers followed by one-seeded glossy blue fruit):

Brisbane quandong, Elaeocarpus grandis, silver quandong tree

WordNet sense 4 (red Australian fruit; used for dessert or in jam):

quantong, native peach