'Epicardium' definitions:

Definition of 'epicardium'

From: WordNet
noun
The innermost of the two layers of the pericardium [syn: epicardium, visceral pericardium]

Definition of 'Epicardium'

From: GCIDE
  • Epicardium \Ep`i*car"di*um\, n. [NL., fr. Gr. 'epi` upon + kardi`a heart.] (Anat.) That part of the pericardium which forms the outer surface of the heart; the cardiac pericardium. [1913 Webster]