n.
Pronunciation: ˌ e-p ə - ' kär-d ē - ə m
Function: noun
Inflected Form: plural -dia \ -d ē - ə \
Etymology: New Latin
Date: circa 1865
: the inner layer of the pericardium that closely envelops the heart
– epi · car · di · al \ -d ē - ə l \ adjective