reference book
US /ˈref.ər.əns ˌbʊk/
UK /ˈref.ər.əns ˌbʊk/

1.
참고서, 참조 도서
a book, such as a dictionary or encyclopedia, containing facts and information and intended for reference rather than for reading through
:
•
I consulted a reference book to find the definition of the word.
단어의 정의를 찾기 위해 참고서를 찾아봤다.
•
The library has a wide selection of reference books on various subjects.
도서관에는 다양한 주제의 참고서가 많이 있다.