casebook /ˈkeɪsˌbʊk/noun 2adjective 1forms 3 noun2 •(US) A kind of book, used in law schools, containing the text of court opinions in legal cases accompanied by analysis and related materials. •A collection of stories or accounts that can individually be described as cases. adjective1 •(figurative) Having the typical characteristics of some class of phenomenon; a textbook example.Her shrink had told her that her own father, as she'd describe him, was practically a casebook example of an anal retentive. — 1977 formscasebooks · more casebook · most casebook