What is the meaning of Oleo?

A type of energy-absorbing landing gear strut in which sudden compression or extension of the strut causes a gas-filled chamber to push or pull a piston which forces oil through a small orifice, resulting in absorption of energy through viscous effects.

The various fats and oils that go into the making of margarine.

Margarine.

oil

to smell; to emit an odor, especially a bad odor

to be given away by smell; to smell of

to be observed, betrayed

dative/ablative singular of oleum

alternative form of aoleu

first-person singular present indicative of olear

oil

oil painting

ellipsis of santo oleo

Source: wiktionary.org