lay reader

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A layperson in the Anglican or Roman Catholic church authorized by a bishop to read some parts of the service.

from the GNU version of the Collaborative International Dictionary of English.

• (Eccl.) A layman authorized to read parts of the public service of the church.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun religion A person who is not ordained but is appointed to lead Church services.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a layman who is authorized by the bishop to read parts of the service in an Anglican or Episcopal church