Reference work

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A compendium of information which is not generally intended to be read from beginning to end but rather consulted on a spot basis, and is compiled for ease of reference; especially, a reference book, whether in print, digital, or both.
  2. 2
    a book to which you can refer for authoritative facts wordnet

Etymology

From reference + work.