stereo

1. A system of recording or reproducing sound that uses two or more channels, each playing a portion of the original sound at different locations in order to simulate the separation of sources along at least one spatial dimension. (countable, uncountable)
2. Any object or device equipped with audio components that reproduces sound in stereo, such as a stereo console in the home. (countable, dated, uncountable) · He liked to listen to classical music on his stereo.
3. A stereotype. (colloquial, countable, uncountable)
4. A genre of Western-style pop and rock music. (countable, uncountable)

Plural stereos