on the horn
- idiom
- Informal
- She was on the horn for over an hour, discussing the project details.
- get on the horn
- call on the horn
- on the horn and tell
Examples
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As soon as you get through, get on the horn.
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Oh, I'll get them on the horn.
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Get the sheriff on the horn.
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Colonel, I got the admiral on the horn.
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Call Brent on the horn.
Fiction book (2000) -
I'm gonna get on the horn and call a wagon.
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Sir, General Sutton's on the horn from D.C.
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Get Muc Wa on the horn.
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My guess is that WVaxman won't shoot if he knows who it is, so I start talking on the horn.
Fiction book (1998) -
Someone get Grossi on the horn to tell us about TDs and FGs again.
Blog text (17)
Synonyms
Talking to someone using a telephone
To call someone on the phone
To phone someone
To phone someone
To call someone to speak with them
To phone someone
Antonyms
Surface Forms
Morphology
on + the + horn
The phrase 'on the horn' uses 'on' (a locative/prepositional marker) with 'horn', whose literal senses (animal horn, musical horn) do not transparently map to 'telephone'. The telephone sense of 'horn' is idiomatic and dialectal, so a B1 learner who knows the constituent words would not reliably infer 'on the phone' without prior exposure.
Etymology
On the horn may come from old phones that had a horn-shaped part you held to your ear. People held that little horn to speak, so on the horn came to mean 'talking on the telephone'.