Cultural Dictionary
diaphragm [(deye-uh-fram)]

A dome-shaped structure made up of muscle and connective tissue that separates the abdominal cavity from the thorax and functions in respiration. By movement of the diaphragm, air is either drawn into the lungs or forced out of them.

Note: The term diaphragm can also refer to a small flexible cap, usually made of rubber, that fits over the cervix and is used for contraception.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: diane
Next Definition: diarrhea
Words Near: diaphragm
More from Thesaurus.com
Synonyms and Antonyms for diaphragm
More from Reference.com
Search for articles containing diaphragm
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2015 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature