soundmachine
nounUK /ˈsaʊnd məˌʃiːn/
US /ˈsaʊnd məˌʃin/
A soundmachine is a machine that makes sounds.
She turned on the soundmachine to help her baby sleep.
OTHER MEANINGS
2. A device that plays recorded nature sounds or white noise to help people relax or sleep.
The soundmachine played gentle rain all night.
3. Equipment used in a studio to create or mix audio effects.
The band used a soundmachine to add strange noises to the song.
4. A machine that produces loud warning sounds.
The factory's soundmachine rang when the shift ended.