The belief that there are certain actions that are always right or always wrong. The belief that moral laws exist externally and are not just human inventions.
It means 'thanksgiving.' The name Catholics use to described the rite where the bread and wine become the body and blood of Jesus and is received by the people.
The belief that there is no moral law and that rules govern what is right and wrong are human inventions and change from place to place and from age to age.