prayer book

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

• noun A book containing religious prayers.
• noun The Book of Common Prayer.

from The Century Dictionary.

• noun A book of forms for public or private devotion, consisting chiefly or solely of forms for prayers. See Book of Common Prayer, under prayer.
• noun Nautical, a small stone used in scrubbing the deck and other woodwork of a vessel: so called from its shape and size. Compare holystone.

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

• noun A book containing religious prayers
• noun The Book of Common Prayer
• noun nautical A small holystone

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

• noun a book containing prayers
• noun a book containing prayers