n.
Function: noun
Date: 14th century
1 : animal tissue consisting chiefly of cells distended with greasy or oily matter
2 a : oily or greasy matter making up the bulk of adipose tissue and often abundant in seeds b : any of various compounds of carbon, hydrogen, and oxygen that are glycerides of fatty acids, are the chief constituents of plant and animal fat, are a major class of energy-rich food, and are soluble in organic solvents but not in water c : a solid or semisolid fat as distinguished from an oil
3 : the best or richest part
4 : OBESITY
5 : something in excess : SUPERFLUITY <trim the fat from the news operation ― Ray Olson>
– fat · less \ -l ə s \ adjective