Definition, Meaning & Synonyms
diaphragm
noun
/ˈdaɪəˌfræm/

Definition
A dome-shaped muscle that separates the chest from the abdomen and plays a major role in breathing.

Examples
- The diaphragm contracts, creating a vacuum that allows air to flow into the lungs.
- During the hiccup, the diaphragm spasms involuntarily.

Meaning
The diaphragm is primarily responsible for inhaling and exhaling air in the lungs by contracting and relaxing.

Synonyms
- partition
- membrane