Definition of renopericardial in US English:

renopericardial

adjective

Zoology
  • Designating an opening or canal in a mollusc that connects the excretory system with the pericardial cavity.

Origin

Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From reno- + pericardial.

Pronunciation

renopericardial

/ˌriːnəʊpɛrɪˈkɑːdɪəl/