Noun

1. Earnest or urgent request
2. Attractiveness that interests or pleases or stimulates
3. (law) a legal proceeding in which the appellant resorts to a higher court for the purpose of obtaining a review of a lower court decision and a reversal of the lower court's judgment or the granting of a new trial
4. Request for a sum of money

Verb

1. Take a court case to a higher court for review
2. Request earnestly (something from somebody); ask for aid or protection
3. Be attractive to
4. Challenge (a decision)
5. Cite as an authority; resort to