- 1 a group of people who stand outside the entrance to a building in order to protest about something, especially in order to stop people from entering a factory, etc. during a strike I was on picket duty at the time.
- 2= picketer Five pickets were arrested by police.
- 3a soldier or group of soldiers guarding a military base
- 4 a pointed piece of wood that is fixed in the ground, especially as part of a fence a picket fence