|epə̇, |epē+ noun
( plural episterna )
Etymology: New Latin, from epi- + sternum
1.
a. : interclavicle
b. : any of several other sternal elements of similar origin or position (as the presternum of a mammal or the epiplastron of a turtle)
2. : a lateral division or piece of a somite of an arthropod ; specifically : the anterior sclerite of the pleuron of an insect — compare epimeron
3. : manubrium 1a