Bible

(noun): An exemplar of the Bible.
(noun): A comprehensive manual that describes something. (e.g., handyman’s bible).
(noun): (at certain US universities) A compilation of problems and solutions from previous years of a given course, used by some students to cheat on tests or assignments.
(noun): Omasum, the third compartment of the stomach of ruminants
(noun): A piece of soft sandstone used for scouring the wooden decks of ships, usually with sand and seawater.
(noun): A stone with a naturally-formed hole, used by Yorkshiremen for good luck.