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