Oleaceous
Pronunciation : O`le*a"ceous
Part of Speech : a.
Etymology : [L. ol?aceus of the olive tree.] (Bot.)
Definition : Defn: Of, pertaining to, or resembling, a natural order of plants (Oleace?), mostly trees and shrubs, of which the olive is the type. It includes also the ash, the lilac, the true jasmine, and fringe tree.
Source : Webster's Unabridged Dictionary, 1913