noun
checker
A person or device that checks whether something is correct or acceptable.
The proofreader runs a spelling checker before sending the document to the editor.
Etymology
The agent ending names whoever or whatever performs a check. It covers both a person inspecting something and a device carrying out the same verification.
More examples
- A ticket checker stands by the entrance.
- The safety checker examines each machine.
- The grammar checker misses some errors.
Forms
checker · checkers
Similar words
- inspector
- An inspector formally examines conditions; checker can be a person or an automated tool.