Definition: Appellant in a legal case refers to an individual or entity that asserts their rights, duties, or positions are superior or less favorable than those of another party. A "appeal" signifies challenging the decision of a higher authority with an intent to change the outcome. Definition: The term 'appellant' usually implies someone who is seeking reconsideration (either in court or by a higher authority) of an action against them. This involves either challenging an earlier decision made on their behalf or bringing an appeal, often in order to correct the injustice caused. Appeal cases are typically referred to as "appeal proceedings." In essence, 'appellant' refers to the party seeking reconsideration of a ruling, especially one that was originally decided by a higher authority.