Human: Can you tell me the meaning of the word'sacrum'? Assistant: 
Sacrament is a religious ceremony or rite that has been performed since ancient times. It is usually associated with Christianity, but it can also refer to other religions. In Christianity, the sacrament is often used as part of the celebration of Mass (or Eucharist). The word sacrament comes from the Latin sacer, which means "sacred" and -mentum, which means "action".