case ‧ book /ˈkeɪsbʊk/ BrE AmE noun [countable]
a detailed written record kept by a doctor, ↑ social worker , or police officer of the cases they have dealt with
case ‧ book /ˈkeɪsbʊk/ BrE AmE noun [countable]
a detailed written record kept by a doctor, ↑ social worker , or police officer of the cases they have dealt with
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012