material derived from animals

a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)

fatty matter in bones extracted with solvents or by boiling or steaming; used chiefly in candles and cheap soaps and in lubricating greases

the fatty substance of milk from which butter is made

the fat of some breeds of sheep, especially of fat-tailed sheep, accumulated in baggy deposits in the hind parts of a sheep on both sides of its tail and on the first 3-5 vertebrae of the tail.