Learn how to say Oleaster correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word oleaster:
a Eurasian shrub or small tree cultivated as an ornamental.
Genus Elaeagnus, family Elaeagnaceae: several species, in particular E. angustifolia, which bears edible yellow olive-shaped fruit (also called Russian olive in North America)
late Middle English: from Latin, from olea ‘olive tree’