sibilator
/ˈsɪbɪleɪtər/
noun
- A person or thing that makes a hissing sound.
- In the recording, you can hear a sibilator in the background, like air escaping from a tire.
- The snake charmer's flute acted as a sibilator, producing a soft hiss to calm the cobra.
- The old radiator was a constant sibilator, hissing steam all night.
Synonyms