Wiktionary
coronal plane
n. (context anatomy English) Any vertical plane that divides the body into anterior and posterior (belly and back) sections.
Wikipedia
Coronal plane
A coronal plane (also known as the frontal plane) is any vertical plane that divides the body into ventral and dorsal (belly and back) sections.
It is one of the three main planes of the body used to describe the location of body parts in relation to each other.