ə|mēkəˈskyu̇rēˌī noun
( plural ami·ci curiae -ē(ˌ)kēˈky-)
Etymology: New Latin, literally, friend of the court
: a bystander that suggests or states some matter of law for the assistance of a court ; specifically : a lawyer that files a printed brief or makes an oral argument before an appellate court on behalf of a person affected by or interested in a pending case but not actually a party to it