A more thorough explanation:

Definition: Superinstitution is a legal term used in Ecclesiastical law. It refers to the act of investing one person in an office that already has an incumbent. This happens when two individuals claim a benefice by adverse titles.

Example: Let's say there is a church that has a priest who has been serving for many years. However, another person claims that they have a right to the same position and title. This creates a situation of superinstitution, where two individuals are claiming the same office or benefice.

Explanation: The example illustrates the definition of superinstitution by showing how two individuals can claim the same position or title, leading to a conflict. This conflict arises when one person is invested in the office that already has an incumbent. Superinstitution is a legal term that is used to describe such a situation in Ecclesiastical law.