fatterpart
nounUK /ˈfætəpɑːt/
US /ˈfætərpɑːrt/
The fatter part is the bigger, rounder piece of something.
Cut the cake so everyone gets a piece of the fatter part.
OTHER MEANINGS
2. The main or largest share of something.
The fatter part of the money went to the new playground.
3. The widest section of a shape or object.
Hold the fatter part of the bat with both hands.
4. The more important or heavier side of a choice.
The fatter part of the plan is keeping everyone safe.