Definition
Not a valid English word.
Example
Not available.
Conversation

Have you tried that new café downtown?

Not yet, but I heard they have caller drinks that are super refreshing.

Yeah, I love how they use fresh ingredients for their smoothies.

I should definitely check it out this weekend!
Synonyms & Antonyms
Definition
A person who makes a phone call or someone who calls out numbers or directions in a game.
Example
The caller asked for assistance with their order.
Conversation

Did you see that caller on the quiz show yesterday?

Yeah, they were really good at answering the questions!

I know, I was impressed by how quickly the caller got it right.
Root Explanation
Caller → It is formed from "call" (from Old English "ceallian", meaning to cry out or summon) and "-er" (meaning a person who). A caller is a person who calls or summons someone.
Memory Tip
Think of someone who 'cries out' or 'summons' others — that's what a caller does.
Visually Confused Words
aller
vocaller
canaller
caballer
waller
taller
scaler
galler