any of a genus (Xanthorrhoea) of plants of the grass-tree family, native to Australia, with short, thick, woody trunks and grasslike leaves: some produce fragrant resins
adjective
designating a family (Xanthorrhoeaceae, order Liliales) of monocotyledonous plants
See grass tree in American Heritage Dictionary 4
noun
Any of several woody-stemmed Australian plants of the genus Xanthorrhoea, having stiff grasslike leaves, palmlike stems, and a spike of small white flowers.