Definition of grease
- grease Noun Animal fat in a melted or soft state
- grease Noun Any oily or fatty matter.
- grease Noun Shorn but not yet cleansed wool
- grease Noun Inflammation of a horse's heels, also known as scratches or pastern dermatitis.
- grease Verb To put grease or fat on something, especially in order to lubricate.
- grease Verb To bribe.
- grease Verb To perform a landing extraordinarily smoothly.
- grease Verb To kill, murder.