textbook

noun

1. a book used by students as a standard work for a particular branch of study.

adjective

2. pertaining to, characteristic of, or seemingly suitable for inclusion in a textbook; typical; classic: a textbook case.

noun

1. 1. a book used as a standard source of information on a particular subject
   2. (as modifier)a textbook example

n.also text-book, 1779, from text (n.) + book (n.).