noun (n)

• the act of executing by a method widespread in the ancient world; the victim's hands and feet are bound or nailed to a cross(noun.act)

  source: wordnet30
• the death of Jesus by crucifixion(noun.event)

  source: wordnet30
• the infliction of extremely painful punishment or suffering(noun.act)

  Synonym:
  excruciation
  

  source: wordnet30
• The act of nailing or fastening a person to a cross, for the purpose of putting him to death; the use of the cross as a method of capital punishment.(noun)

  source: webster1913