Scrabble?! DIAPHRAGM

Definitions of DIAPHRAGM in various dictionaries:

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

noun - (anatomy) a muscular partition separating the abdominal and thoracic cavities

noun - a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic

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

A muscular membranous partition separating the abdominal and thoracic cavities and functioning in respiration.

A membranous part that divides or separates.

A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves.

A contraceptive device consisting of a thin flexible disk, usually made of rubber, that is designed to cover the uterine cervix to prevent the entry of sperm during sexual intercourse.

A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.