Crucifixion

noun

1. An execution by being nailed or tied to an upright cross and left to hang there until dead.

   "Rome used crucifixions as a deterrent, and standard for the 'vilest' crimes, such as slave rebellion."

2. The military punishment of being tied to a fixed object, often with the limbs in a stretched position.
3. An ordeal, terrible, especially malicious treatment imposed upon someone.

   "The suspects' hostile interrogation amounted to a public crucifixion."