picket >> /ˈpɪkɪt/
Definition: [transitive verb] Act as a picket outside (a workplace or other venue)
Example: strikers picketed the newspaper's main building
Definition: [noun] A person or group of people standing outside a place of work or other venue, protesting something or trying to persuade others not to enter during a strike.
Example: forty pickets were arrested
Definition: [noun] A soldier or party of soldiers performing a particular duty.
Example: a picket of soldiers fired a volley over the coffin
Definition: [noun] A pointed wooden stake driven into the ground, typically to form a fence or palisade or to tether a horse.
Example: a cedar-picket stockade