keyreferenceguide

noun
UK /kiː ˈrɛfərəns ɡaɪd/
US /ki ˈrɛfərəns ɡaɪd/

A special book that helps you find important answers fast.

The teacher gave us a key reference guide to look up animal facts.


OTHER MEANINGS

2. A short list that shows the main ideas of a topic.

The key reference guide on the wall showed all the planets.

3. A helpful chart you can check when you forget something.

He used the key reference guide to remember the math symbols.

4. A small book with the most important facts about a subject.

Our key reference guide about birds had pictures on every page.