WordNet (r) 3.0 (2006):
tree heath n 1: gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long [syn: tree heath, grass tree, Richea pandanifolia] 2: evergreen treelike Mediterranean shrub having fragrant white flowers in large terminal panicles and hard woody roots used to make tobacco pipes [syn: tree heath, briar, brier, Erica arborea]