any of several plants (genus Elaeagnus) of the oleaster family, often grown for ornament; esp. the Russian olive
Origin of oleasterMiddle English oliaster ; from Classical Latin ; from olea: see oleaginous
designating a family (Elaeagnaceae, order Proteales) of dicotyledonous plants, including buffalo berry
Any of various small trees or shrubs of the family Elaeagnaceae, having olivelike fruit and silvery or brown scales on the stems and leaves, especially one of the genus Elaeagnus, such as Russian olive or silverberry.
Origin of oleasterMiddle English, from Latin, from olea, olive tree; see oleaginous.