D defs.my
Entry 1 sense Webster, 1913

casebook

· case·book · IPA /ˈkeɪsˌbʊk/
01 n. a book in which detailed written records of cases are kept and which are a source of information for subsequent work. Such books are often…
  1. 1.
    a book in which detailed written records of cases are kept and which are a source of information for subsequent work. Such books are often used as supplements to texts in law schools.