all clear (Q4728346)
(Redirected from Q18351297)
signal given by an air raid siren to indicate that a threat has passed
- all-clear
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | all clear |
signal given by an air raid siren to indicate that a threat has passed |
|
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Wikipedia(1 entry)
- enwiki All clear