PICKETLINE
picket line
Noun
- A line or rope held by one or many pickets, chiefly one used for tethering horses.
- A barrier or fortification formed by pickets; a stockade.
- A boundary guarded by a picket, or unit, of soldiers.
- The boundary created by striking workers, generally at the workplace entrance, which other workers are asked not to pass.
The above text is a snippet from Wiktionary: picket line
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