1. a person who corrects errors or mistakes
2. a device or substance used to correct or fix something

Examples

• The corrector found several spelling mistakes in the manuscript.
• She worked as a corrector for the publishing company.
• The teacher hired a corrector to review the exam papers.
• He used a corrector pen to fix the typo on his form.
• The corrector fluid dried quickly on the paper.
• As a professional corrector, she had an eye for detail.
• The corrector tape made it easy to fix typing errors.