grass tree (Noun) — 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.
grass tree (Noun) — Any of several Australian evergreen perennials having short thick woody stems crowned by a tuft of grasslike foliage and yielding acaroid resins.
grass tree (Noun) — Gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long.