a. (Anat.) Of or relating to the epicardium. [ 1913 Webster ]
‖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 ]
n. (Eccl. Hist.) One of a sect of Adamites in the fifteenth century; -- so called from one Picard of Flanders. See Adamite. [ 1913 Webster ]