Term: picket: 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
Broader: torture: the deliberate, systematic, or wanton infliction of physical or mental suffering by one or more persons in an attempt to force another person to yield information or to make a confession or for any other reason | Unrelated: sub-test: one of a battery of related tests