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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.

[Middle English, from Latin, from olea, olive tree; see oleaginous.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) 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. (Plants) Also called: wild olive a wild specimen of the cultivated olive
[Latin: from olea; see olive, oil]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌoʊ liˈæs tər)

a small thorny tree, Elaeagnus angustifolia, with gray-green leaves, fragrant yellow flowers, and oval berries. Also called Russian olive.
[before 1000; Middle English < Latin: wild olive tree]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oleaster - any of several shrubs of the genus Elaeagnus having silver-white twigs and yellow flowers followed by olivelike fruitsoleaster - any of several shrubs of the genus Elaeagnus having silver-white twigs and yellow flowers followed by olivelike fruits
Elaeagnus latifolia, wild olive - erect shrub or climber of India and China with red olivelike fruit
Elaeagnus commutata, silverberry, silverbush, silver-bush, silver berry - deciduous unarmed North American shrub with silvery leaves and fruits
Elaeagnus augustifolia, Russian olive, silver berry - deciduous shrubby tree of Europe and western Asia having grey leaves and small yellow fruits covered in silvery scales; sometimes spiny
bush, shrub - a low woody perennial plant usually having several major stems
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Oleasters (Elaeagnus spp.) are also desert trees, though they do not grow to a height of more than 33 ft (10 m).
It has been observed that the varieties of olives most consumed by starling are oleaster Olea oleaster and the variety Chemlal [23].