Excommunication. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/EXCOMMUNICATION
The act of excommunicating or ejecting; especially an ecclesiastical censure whereby the person against whom it is pronounced is, for the time, cast out of the communication of the church; exclusion from fellowship in things spiritual.
English Wiktionary. Available under CC-BY-SA license.