A boundary guarded by a picket (unit of soldiers).
A barrier or fortification formed by pickets; a stockade.
A boundary created by workers participating in a strike, generally at the workplace entrance, which other workers are asked not to pass.
A line or rope held by one or many pickets, chiefly one used for tethering horses.
A sit-in, a protest of civil disobedience by people sitting and refusing to move.
An act of sitting down, especially with other people in some form of social exchange.
Intended to be done, used, consumed etc. while sitting.