the melted or rendered fat of animals, esp. when in a soft state.
2.
fatty or oily matter in general; lubricant.
3.
Also called grease wool.wool, as shorn, before being cleansed of the oily matter.
4.
Also called grease-heel /ˈgrisˌhil/Show Spelled Pronunciation[grees-heel]Show IPA.Veterinary Pathology. inflammation of a horse's skin in the fetlock region, attended with an oily secretion.
5.
Informal. a bribe.
–verb (used with object)
6.
to put grease on; lubricate: to grease the axle of a car.
7.
to smear or cover with grease.
8.
to cause to occur easily; smooth the way; facilitate.
Soft or melted animal fat, especially after rendering.
A thick oil or viscous substance, especially when used as a lubricant.
The oily substance present in raw wool; suint.
Raw wool that has not been cleansed of this oily substance.
Slang Something, such as money or influence, that facilitates the attainment of an object or a desire: accepted some grease to fix the outcome of the race.
tr.v.
(grēs, grēz) greased, greas·ing, greas·es
To coat, smear, or soil with grease: greased the pie pan.
[n. grees; v. grees, greez] 
noun, verb, greased, greasing.