blue book

or blue·book

noun

a register or directory of socially prominent persons.

any register or directory, as of major companies or officials.

a blank book used in taking college examinations, usually with a blue cover.

a British parliamentary or other publication bound in a blue cover.

(initial capital letters) Trademark. a reference manual listing the current market value of used cars by model and year of manufacture.

a similar manual listing the market value of other items, appliances, etc.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for bluebook

bluebook

noun

(in Britain) a government publication bound in a stiff blue paper cover: usually the report of a royal commission or a committee

informal, mainly US a register of well-known people

(in Canada) an annual statement of government accounts

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012