Definition of bibles:
(n) :
(by extension) A comprehensive manual that describes something, or a publication with a loyal readership.
(n) :
(film, television, video games) A reference document used by screenwriters, with information on characters, settings, and other elements of a project.
(n) :
(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.
(n) :
(law) A binder containing copies of the most important documents for a particular matter.
(n) :
(nautical) Synonym of holystone: a piece of sandstone used for scouring wooden decks on ships.
(n) :
(locksmithing) The upper part of a pin-tumbler lock, containing the driver pins and springs.