Glossary & References / Keywords List / Definitions:

Term to be defined Definition Synonyms & Keywords
Fats - "Any of a group of natural esters of glycerol and various fatty acids, which are solid at room temperature and are the main contituents of animal and various fat;

also

a natural oily or greasy substance occuring in animal bodies, especially when deposisted as a layer under the skin or around certain organs." (B125)