a system followed by some languages, in which a set of grammatical categories, sometimes marked by inflection, indicates the relation of the noun, adjective, or pronoun to other words in the sentence
Pupils pick up the case system as they get more experienced in the language.
Adjectives now have no case system at all.
case system in American English
US
a method of legal training by which students analyze and discuss selected cases and decisions rather than systematically study textbooks on law
case system in American English
noun
a method of teaching or studying law that focuses on analysis and discussion of cases