(Botany) of, relating to, or belonging to the Oleaceae, a family of trees and shrubs, including the ash, jasmine, privet, lilac, and olive
[C19: via New Latin from Latin olea olive; see also oil]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
|Adj.||1.||oleaceous - of or pertaining to or characteristic of trees or shrubs of the olive family|
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