noun
pericardium
peh-rih-KAH-dee-uhm
noun
1
The thin, fluid-filled membrane that encloses the heart and lets it beat smoothly.
"The pericardium cushions the heart and holds it in place within the chest."
How to Use Pericardium
Learner’s notesIn plain EnglishThe protective bag of tissue that surrounds your heart.
Word Forms
pericardia plural, pericardiums plural
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The _____ cushions the heart and holds it in place within the chest.
Etymology
A learned borrowing from Greek perikardion, from peri- ("around") + kardia ("heart").