kurrajong noun2 •(Australia) Any of a number of species of tree or shrub in the genus Brachychiton.My young friend, Master Keith McKeown, now finds this beetle under the stones about the roots of the kurrajong at Wagga, and also sheltering during the winter in the seed-pods on the trees. — 1906 •(Australia) A peanut tree, Sterculia quadrifida, native to eastern coastal Australia; a red- or orange-fruited kurrajong. formskurrajongs