Appellee
The party who opposes an appellant's appeal, and who seeks to persuade the appeals court to affirm the district court's decision.
Additional Sources
Answers.com
One against whom an appeal is taken.
Law.com Dictionary
In some jurisdictions the name used for the party who has won at the trial court level, but the loser (appellant) has appealed the decision to a higher court. Thus the appellee has to file a response to the legal brief filed by the appellant. In many jurisdictions the appellee is called the "respondent."
Lawyers.com
The party to an appeal arguing that the lower court's judgment was correct and should stand.
The Free (Legal) Dictionary
In some jurisdictions the name used for the party who has won at the trial court level, but the loser (appellant) has appealed the decision to a higher court. Thus the appellee has to file a response to the legal brief filed by the appellant. In many jurisdictions the appellee is called the "respondent".
Wikipedia
An appellee is the party to an appeal in which the lower court judgment was in its favor. The appellee is required to respond to the petition, oral arguments, and legal briefs of the appellant. In general, the appellee takes the procedural posture that the lower court's decision should be affirmed.



