Noun grass tree has 3 senses
- cabbage tree, grass tree, Cordyline australis - elegant tree having either a single trunk or a branching trunk each with terminal clusters of long narrow leaves and large panicles of fragrant white, yellow or red flowers; New Zealand
--1 is a kind of tree
--1 is a member of Cordyline, genus Cordyline
- grass tree, Australian grass tree - any of several Australian evergreen perennials having short thick woody stems crowned by a tuft of grasslike foliage and yielding acaroid resins
--2 is a kind of arborescent plant
--2 is a member of Xanthorroea, genus Xanthorroea
- tree heath, grass tree, Richea pandanifolia - gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long
--3 is a kind of Australian heath
--3 is a member of Richea, genus Richea
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