(n)genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia, Syn.genus Alstonia
(n)evergreen tree of eastern Asia and Philippines having large leathery leaves and small green-white flowers in compact cymes; bark formerly used medicinally, Syn.Alstonia scholaris, dita bark, devil tree
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. 1.1 genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeast Asia and Polynesia. Syn. -- genus Alstonia. [ WordNet 1.5 ]
n. [ So named after J. G. Ralston of Norristown, Penn. ] (Min.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals. [ 1913 Webster ]