repeater.

1. A device that receives a signal and sends it onward to extend its reach.

2. A firearm that can fire successive shots without being manually reloaded after each one.

3. A person taking a course or school year again.

Use it for

Words that belong together

• radio repeater
• repeater station

On the page

The repeater restored contact with the surface team.

Usage notes

Primary category: sci-fi. Forms: Singular repeater; plural repeaters. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.