What is the meaning of Grease?

Animal fat in a melted or soft state.

Any oily or fatty matter.

Shorn but not yet cleansed wool.

Inflammation of a horse's heels, also known as scratches or pastern dermatitis.

Money.

To put grease or fat on something, especially in order to lubricate.

To bribe.

To cause to go easily; to facilitate.

To perform a landing extraordinarily smoothly.

To extinguish the life of.

 To have sexual intercourse with.

To cheat or cozen; to overreach.

To affect (a horse) with grease, the disease.

To depart or slip away.

Source: wiktionary.org