antitrust case: a legal action brought against parties who are charged with limiting free competition in the market place
legal action: a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong
cabbage bark: tree with shaggy unpleasant-smelling toxic bark and yielding strong durable wood; bark and seeds used as a purgative and vermifuge and narcotic