oleaster

American  

[oh-lee-as-ter] / ˌoʊ liˈæs tər /

noun

1. an ornamental shrub or small tree, Elaeagnus angustifolia, of Eurasia, having fragrant yellow flowers and an olivelike fruit.

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oleaster British  

/ ˌəʊlɪˈæstə /

noun

1. any of several shrubs of the genus Elaeagnus, esp E. angustifolia, of S Europe, Asia, and North America, having silver-white twigs, yellow flowers, and an olive-like fruit: family Elaeagnaceae

2. Also called: wild olive.  a wild specimen of the cultivated olive

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Etymology

Origin of oleaster

before 1000; Middle English < Latin: wild olive tree, derivative of olea olive