The definition of mesophyll is the soft tissue inside a leaf.
An example of mesophyll is the tissue in the leaf that plays an important role in photosynthesis.
the soft tissue (green parenchyma) inside a leaf, between the lower epidermis and the upper, chiefly concerned in photosynthesis
Origin of mesophyll; from Modern Latin mesophyllum: see meso- and amp; -phyll
The photosynthetic tissue of a leaf, located between the upper and lower epidermis.
- mes′o·phyl′lic, mes′o·phyl′lous