Ex′com‐mu″ni‐cate (?), v. t. [imp. & p. p.Excommunicated (?); p. pr. & vb. n.Excommunicating (?).] 1. To put out of communion; especially, to cut off, or shut out, from communion with the church, by an ecclesiastical sentence.
2. To lay under the ban of the church; to interdict.
Martin the Fifth... was the first that excommunicated the reading of heretical books. Miltin.