diaphragm

Diaphragm has 3 syllables: di · a · phragm.

noun. A contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix.

noun. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration.

noun. A mechanical device in a camera that controls size of aperture of the lens.

noun. Electro-acoustic transducer that vibrates to receive or produce sound waves.