[ per-i-kahr-dee-uhm ]
/ ˌpɛr ɪˈkɑr di əm /
Save This Word!

noun, plural per·i·car·di·a [per-i-kahr-dee-uh]. /ˌpɛr ɪˈkɑr di ə/. Anatomy.
the membranous sac enclosing the heart.
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of pericardium

1570–80; <New Latin <Greek perikárdion, noun use of neuter of perikárdios surrounding the heart, equivalent to peri-peri- + kardios, adj. derivative of kardíaheart; cf. -cardium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pericardium in a sentence

British Dictionary definitions for pericardium

/ (ˌpɛrɪˈkɑːdɪəm) /

noun plural -dia (-dɪə)
the membranous sac enclosing the heart

Derived forms of pericardium

pericardial or pericardiac, adjective

Word Origin for pericardium

C16: via New Latin from Greek perikardion, from peri- + 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

Medical definitions for pericardium

[ pĕr′ĭ-kärdē-əm ]

n. pl. per•i•car•di•a (-dē-ə)
The fibroserous sac enclosing the heart and the roots of the great vessels, consisting of two layers: the visceral layer or epicardium, immediately surrounding the heart; and the outer parietal layer, which forms the sac and is lined with a serous membrane.heart sac theca cordis

Other words from pericardium

per′i•cardi•al (-dē-əl) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for pericardium

[ pĕr′ĭ-kärdē-əm ]

Plural pericardia
The membrane sac that encloses the heart in vertebrate animals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.