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
line of least resistance
a course of action that will cause the least trouble or effort
We took the line of least resistance and moved out of our apartment rather than have problems with the manager.