amicus
/əˈmiːkəs/
noun
- A friend or someone who supports a cause; often used in legal contexts as 'amicus curiae' (friend of the court), a person or group that gives information or advice to a court.
- As an amicus, she provided the court with important historical context.
- The civil rights group filed an amicus brief in support of the defendant.
- Several organizations acted as amici in the Supreme Court case.