noun
plural -sions
[count] :a written or spoken statement in which you say that you have done something wrong or committed a crime
[count] :the act of telling people something that makes you embarrassed, ashamed, etc.
[count] :the act of telling your sins to God or to a priest
[noncount] :the activity of telling a priest your sins
[count] :a formal statement in which you express your religious beliefs
US