adj.of or pertaining to or characteristic of trees or shrubs of the olive family
英汉双解大词典
oleaceous/ˌəʊlɪˈeɪʃəs/
1.
ADJ（形容词）
of, relating to, or belonging to the Oleaceae, a family of trees and shrubs, including the ash, jasmine, privet, lilac, and olive 木犀科的; 包括梣木、茉莉、女贞丁香和橄榄树的树和灌木科