1. Australian conifer bearing two-inch seeds tasting like roasted chestnuts; among the aborigines the tree is hereditary property protected by law • Syn: bunya bunya tree, Araucaria bidwillii • Hypernyms: araucaria 2. nut tasting like roasted chestnuts; a staple food of Australian aborigines • Hypernyms: edible nut • Part Holonyms: bunya bunya tree, Araucaria bidwillii