/ Dictionary / Index T textbook: Meaning and Definition of Find definitions for: text•book Pronunciation: (tekst'book"), [key] — n. a book used by students as a standard work for a particular branch of study. —adj. pertaining to, characteristic of, or seemingly suitable for inclusion in a textbook; typical; classic: a textbook case. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: textbook (Thesaurus) text textbookish Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language