The New Dictionary of Cultural Literacy, Third Edition. 2002.
church
A group of Christians; church is a biblical word for assembly. It can mean any of the following: (1) All Christians, living and dead. (Seesaints.) (2) All Christians living in the world. (3) One of the large divisions or denominations of Christianity, such as the Eastern Orthodox Church, Methodist Church, or Roman Catholic Church. (4) An individual congregation of Christians meeting in one building; also the building itself.