mesocarp

The middle, usually fleshy layer of a fruit wall.

In botany, the middle layer of a pericarp when it is possible to distinguish three dissimilar layers; the sarcocarp.

The middle layer of a pericarp which consists of three distinct or dissimilar layers.

The middle layer of the pericarp of a fruit. In many fruits such as drupes and tomatoes, the mesocarp is fleshy.

the middle layer of a pericarp