[ ep-i-kahr-dee-uh m ]
/ ˌɛp ɪˈkɑr di əm /

noun, plural ep·i·car·di·a [ep-i-kahr-dee-uh] /ˌɛp ɪˈkɑr di ə/. Anatomy.

the inner serous layer of the pericardium, lying directly upon the heart.

Nearby words

  1. epic simile,
  2. epicalyx,
  3. epicanthic fold,
  4. epicanthus,
  5. epicardia,
  6. epicarp,
  7. epicaste,
  8. epicedium,
  9. epicene,
  10. epicenter

Origin of epicardium

From New Latin, dating back to 1860–65; see origin at epi-, -cardium

Related formsep·i·car·di·al, ep·i·car·di·ac, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for epicardia


/ (ˌɛpɪˈkɑːdɪəm) /

noun plural -dia (-dɪə)

anatomy the innermost layer of the pericardium, in direct contact with the heart
Derived Formsepicardiac or epicardial, adjective

Word Origin for epicardium

C19: New Latin, from epi- + Greek kardia heart

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for epicardia


[ ĕp′ĭ-kärdē-ə ]


The lower portion of the esophagus extending through the diaphragm to the stomach.


[ ĕp′ĭ-kärdē-əm ]

n. pl. ep•i•car•di•a (-dē-ə)

The inner layer of the pericardium that is in contact with the surface of the heart.visceral layer
Related formsep′i•cardi•al adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.