Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Ballentine's Law Dictionary

    In the matter; in the transaction.

  • Black's Law Dictionary: 2nd Edition

    In the affair; in the matter of. This is the usual method of entitling a judicial proceeding in which there are not adversary parties, but merely some res concerning which judicial action is to be taken, such as a bankrupt's estate, an estate in the probate court, a proposed public highway, etc. It is also sometimes used as a designation of a proceeding where one party makes an application on hls own behalf, but such proceedings are more usually entitled "Ex parte