Synonyms for picket

noun

• a person employed to keep watch for some anticipated event
• a form of military punishment used by the British in the late 17th century in which a soldier was forced to stand on one foot on a pointed stake
• a wooden strip forming part of a fence
• a detachment of troops guarding an army from surprise attack
• a protester posted by a labor organization outside a place of work
• a vehicle performing sentinel duty

verb

• fasten with a picket
• serve as pickets or post pickets