Definition of episternum in English:
episternum
nounPlural episterna, Plural episternums ˌɛpɪˈstəːnəmˌepəˈstərnəm
Zoology 1A bone between the clavicles, especially (in mammals) the upper part of the sternum.
- 1.1 (in insects) the anterior part of the side wall of a thoracic segment.