What does "appellant" mean?

Appellant: (Law) (a) One who accuses another of felony or treason. [Obs.] (b) One who appeals, or asks for a rehearing or review of a cause by a higher tribunal.

Additional senses

  1. 2.A challenger. [Obs.] Milton.
  2. 3.(Eccl. Hist.) One who appealed to a general council against the bull Unigenitus.
  3. 4.One who appeals or entreats.

Sources