Definitions

1. noun

The part of the foot between the metatarsus and the tarsus, or the equivalent region in other animals, especially the second and third parts of the foot in certain species.

“The research team studied the unique structure of the plesiosaur’s mesopodium.”

2. noun

The middle segment of a limb, especially in certain invertebrates such as arthropods.

“The arthropod’s mesopodium was a crucial area of study in the field of entomology.”