1. a machine that makes copies of documents or images
2. a person who copies or imitates something

Examples

• The office copier is broken again.
• Please make ten copies using the copier in the hallway.
• We need a new copier for the school library.
• The color copier produces high-quality prints.
• He’s just a copier who steals other people’s ideas.
• Don’t be a copier – create your own original work.
• The copier ran out of toner during the busy morning.