Any of several eucalypts having pale bark and growing near watercourses; especially Eucalytpus elata (formerly E. andreana) and E. radiata, both of south-western Australia.
Origin
Mid 19th century.
Definition of river white gum in US English:
river white gum
noun
Any of several eucalypts having pale bark and growing near watercourses; especially Eucalytpus elata (formerly E. andreana) and E. radiata, both of south-western Australia.