अर्थ : A person employed to keep watch for some anticipated event.

अर्थ : A detachment of troops guarding an army from surprise attack.

अर्थ : A protester posted by a labor organization outside a place of work.

अर्थ : A vehicle performing sentinel duty.

अर्थ : A wooden strip forming part of a fence.

अर्थ : 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.

अर्थ : Serve as pickets or post pickets.

अर्थ : Fasten with a picket.