plural episterna
: any of several other sternal elements of similar origin or position (such as the presternum of a mammal or the epiplastron of a turtle)
: a lateral division or piece of a somite of an arthropod
specifically : the anterior sclerite of the pleuron of an insect compare epimeron

Word History


New Latin, from epi- + sternum

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Dictionary Entries Near episternum

Cite this Entry

“Episternum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/episternum. Accessed 17 Apr. 2024.

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