Definitions

1. noun

A person or thing that squeaks, especially a toy mouse that makes a high-pitched sound when squeezed.

“The little girl’s toy mouse was a squeaker.”

2. noun

A device that produces a high-pitched sound, especially one used in a musical instrument.

“The brass section included a squeaker to add a bright tone to the music.”

3. verb

To make a high-pitched sound, especially by squeezing a toy mouse or a device.

“The kid squeaked the toy mouse to get his sister’s attention.”