1. a device or mechanism that restricts or controls the extent, amount, or rate of something
Usage: technical
2. an electronic circuit that prevents a signal from exceeding a predetermined level
Usage: electronics; audio engineering

Examples

• The speed limiter prevented the car from exceeding 65 mph.
• Audio engineers use a limiter to prevent distortion in recordings.
• The power limiter automatically shut down the system when it overheated.
• Installing a current limiter protects the circuit from damage.
• The noise limiter reduced the volume of sudden loud sounds.
• A bandwidth limiter controls internet usage on the network.