Read the dictionary definition of fat. All definitions for this word.
1. excess bodily weight
1. she disliked fatness in herself as well as in others
2. a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs
1. fatty tissue protected them from the severe cold
3. a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)
1. pizza has too much fat
4. make fat or plump
1. We will plump out that poor starving child
5. having an (over)abundance of flesh
1. he hadn't remembered how fat she was
6. containing or composed of fat
1. fatty food
2. fat tissue
7. marked by great fruitfulness
1. fertile farmland
2. a fat land
3. a productive vineyard
4. rich soil
8. lucrative
1. a juicy contract
2. a nice fat job
9. having a relatively large diameter
1. a fat rope