noun one who appeals or entreats.
2. appellant ·adj relating to an appeal; appellate.
3. appellant ·noun a challenger.
4. appellant ·noun one who accuses another of felony or treason.
5. appellant ·noun one who appealed to a general council against the bull unigenitus.
6. appellant ·noun one who appeals, or asks for a rehearing or review of a cause by a higher tribunal.