Grease

The word grease can mean:-

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• A type of industrial lubricant: see grease (lubricant).
• A musical play: see Grease (musical).
• A 1978 movie: see Grease (film).
• Some rendered animal fats. Rendered chicken fat becomes the commodity known as yellow grease. Animal greases may have been used as lubricants in the past, but this is not now common in developed nations. In former times a wild boar was said to be "in grease" if it was fat.
• Hydrogenated vegetable oils, such as Crisco, used as replacements for lard and other rendered animal fats.