1. plural of keyer; people who operate keys on a keyboard, typewriter, or similar device
Usage: common in office and data-entry contexts
2. plural of keyer; devices or mechanisms that produce a keying signal, especially in telecommunications or radio
Usage: technical; used in radio, morse code, and signal transmission

Examples

• The data-entry keyers worked quickly to input the customer information.
• Several keyers were hired to handle the increased workload during tax season.
• The radio operators tested their keyers before the broadcast.
• Modern keyers have replaced manual morse code keys in many applications.
• The office manager trained the new keyers on the company's database system.