# pericardium

> English word · Noun · IPA /ˌpɛɹɪˈkɑː(ɹ)di.əm/ · frequency rank #84,605

## Definitions
1. A serous membrane that surrounds the heart allowing it to contract.

## Etymology
Learned borrowing from Ancient Greek περικάρδιον (perikárdion).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pericardium