Medical Dictionary
diaphragm
noun di·a·phragm \ˈdī-ə-ˌfram\
Medical Definition of DIAPHRAGM
1
: a body partition of muscle and connective tissue; specifically : the partition separating the chest and abdominal cavities in mammals—see pelvic diaphragm, urogenital diaphragm
2
: a device that limits the aperture of a lens or optical system
3
: a molded cap usually of thin rubber fitted over the uterine cervix to act as a mechanical contraceptive barrier
Illustration of DIAPHRAGM
Seen & Heard
What made you want to look up diaphragm? Please tell us where you read or heard it (including the quote, if possible).