Meaning of squassation

squas•sa•tion

Pronunciation: (skwo-sā'shun), [key]
— n.
  1. a form of strappado in which the victim, with arms bound behind and feet heavily weighted, was jerked up and down at the end of a rope passed under the arms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.