Definition

A device or person that operates keys or switches to send signals or perform functions.

Example

The keyer allowed the operator to send messages quickly by pressing buttons.

Conversation

Have you seen my new keyer?

No, I haven't! What does it do?

It helps me send signals more easily when I'm working on projects.

That sounds really cool! I could use one for my audio work.

Synonyms & Antonyms

Root Explanation

Keyer → The word 'keyer' is formed from 'key' (from Old English 'cæg', meaning a device used to open locks) and '-er' (meaning a person who performs a specific action). A keyer is a person who uses a key or operates a device that requires a key.

Memory Tip

Think of a 'key' as a tool to unlock something, and '-er' indicates a person who does that action. So, a keyer is someone who uses a key.

Visually Confused Words