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.

a report published by the British government; bound in blue

a register of persons who are socially prominent

a blue booklet used in universities for writing examinations

Informal name for one of the four standard references on the page-layout and graphics-control language PostScript ("PostScript Language Tutorial and Cookbook", Adobe Systems, Addison-Wesley 1985, QA76.73.P67P68, ISBN 0-201-10179-3); the other three official guides are known as the Green Book , the Red Book , and the White Book (sense 2).

Informal name for one of the three standard references on Smalltalk: "Smalltalk-80

The Language and its Implementation", David Robson, Addison-Wesley 1983, QA76.8.S635G64, ISBN 0-201-11371-63 (this book also has green and red siblings).

Any of the 1988 standards issued by the CCITT's ninth plenary assembly. These include, among other things, the X.400 email spec and the Group 1 through 4 fax standards. See also book titles .

The United States official "Biennial Register."