episternal
/ˌɛpɪˈstəːnl/Chiefly Zoology
noun
= episternum. Now rare.
adjective
Located anterior to or above the sternum; of, relating to, or of the nature of an episternum.
Origin
Early 19th century (in an earlier sense). As noun in sense A. 1 from French épisternal, noun, use as noun of épisternal, adjective.