0 a dome-shaped layer of muscle between the lungs and the stomach that controls breathing. -- diafragma
1 a rubber contraceptive cap that is placed over the cervix; capBritish -- diafragma
2 a thin piece of material that separates different parts of a machine. -- diafragma
3 a round flat part inside a camera that controls the aperture of the lens. -- diafragma
4 a thin round part inside a telephone receiver or a loudspeaker that converts sound into electric signals or vice-versa. -- diafragma