Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: pericarditis
Next word: pericarp
Definition of: pericardium
(per′ə·kär′dē·əm) noun plural ·di·a (-dē·ə) Anat.
A membranous bag that surrounds and protects the heart. [<NL <Gk. pericardion (the membrane) around the heart <peri- around + kardia heart]
Comment about this word, ask questions, or add new information about this topic: