crucifix

Short definition from Wiktionary

Noun

1. 1
   A wooden structure used for crucifixions, as by the Romans.
2. 2
   An ornamental or symbolic sculptural representation of Christ on a cross, often worn as a pendant or displayed in a Christian church.
3. 3
   The iron cross, a position on the rings where the gymnast holds the rings straight out on either side of the body.