Term: boot: a form of foot torture in which the feet are encased in iron and slowly crushed
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: creeping fern: delicate fern of the eastern United States having a twining stem and palmately-lobed sterile fronds and forked fertile fronds