Polianthes tuberosa n 1: a tuberous Mexican herb having grasslike leaves and cultivated for its spikes of highly fragrant lily-like waxy white flowers [syn: {tuberose}, {Polianthes tuberosa}]
Tuberose \Tube"rose`\, n. [Cf. G. tuberose, F. tub['e]reuse, NL. Polianthes tuberosa. See {Tuberous}.] (Bot.) A plant ({Polianthes tuberosa}) with a tuberous root and a liliaceous flower. It is much cultivated for its beautiful and fragrant white blossoms. [1913 Webster]