Definition of grease

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