Definitions

1. adjective

relating to or affecting the epicardium, the outermost layer of the heart

“The epicardiac arteries supply blood to the heart muscle.”

2. adjective

extending or lying near the epicardium

“The epicardiac fat is a layer of fat surrounding the heart.”

3. noun

a part or structure related to the epicardium

“The surgeon carefully dissected the epicardiac tissue around the heart.”