(underbellies)
1.
The ~ of something is the part of it that can be most easily attacked or criticized.
The ANC are attacking rugby because it is the soft ~ of South African sport...
N-COUNT: usu with supp, usu N of n
2.
The ~ of an animal or a vehicle is the underneath part of it.
The missiles emerge from the ~ of the transport plane.
N-COUNT: usu with supp, usu N of n