noun.
A pointed stake often driven into the ground to support a fence, secure a tent, tether animals, mark points in surveying, or, when pointed at the top, serve as a defense.
noun.
A detachment of one or more troops, ships, or aircraft held in readiness or advanced to warn of an enemy's approach.
noun.
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noun.
A person or group of persons stationed outside a place of employment, usually during a strike, to express grievance or protest and discourage entry by nonstriking employees or customers.
noun.
A person or group of persons present outside a building to protest.
intransitive verb.
To enclose, secure, tether, mark out, or fortify with pickets.
intransitive verb.
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intransitive verb.
To post as a picket.
intransitive verb.
To guard with a picket.
intransitive verb.
To post a picket or pickets during a strike or demonstration.
intransitive verb.
To act or serve as a picket.