You searched for: “mesocarp
mesocarp
1. The middle layer of the pericarp (part of a fruit that surrounds the seed or seeds, including the skin, flesh, and, in some fruits, the core) of a fruit or ripened ovary; such as, the fleshy part of a peach or plum.
2. The fleshy, middle portion of the wall of a succulent (juicy and pleasant to the taste) fruit between the skin and the stony (seed) layer.