n.
1.a mechanical device in a camera that controls size of aperture of the lens
2.(anatomy) a muscular partition separating the abdominal and thoracic cavities
3.a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic
4.electro-acoustic transducer that vibrates to receive or produce sound waves
Idiom of the Day
let (someone) have it
to hit someone hard, to scold someone angrily
One man let another man have it when they had a fight on the bus.