[ole.ag.i.nous] adj [ME, fr. MF oleagineux, fr. L oleagineus of an olive tree, fr. olea olive tree, fr. Gk elaia] (15c) 1: resembling or having the properties of oil: oily; also: containing or producing oil
2: marked by an offensively ingratiating manner or quality -- ole.ag.i.nous.ly adv -- ole.ag.i.nous.ness n