Amicus Explained

Amicus is Latin for 'friend' or 'comrade'. The word may refer to:

Organizations

Amicus (trade union), the British trade union that merged with the Transport and General Workers Union to form Unite
Amicus Bank, a former bank based in Canada
Amicus Books, an independent bookstore in Marysville, California, US
Amicus Productions, a British film production company
Amicus (charity), a UK-based non-profit organization

Amicus, O.S.B. Roman Catholic monk, abbot, and cardinal (1117–1130)
Bartholomeus Amicus (1562–1649), Jesuit priest, teacher, and writer
William Alexander (Quaker) (1768-1841) English Quaker and publisher, who wrote under this name
Peter Dodds McCormick (pen name: Amicus) (1834–1916), composer of Advance Australia Fair

Amicus curiae, a legal Latin phrase, literally translated as "friend of the court"
Proximus amicus, a legal Latin phrase, literally translated as "next friend"

Project Amicus, a geosocial networking app
Amicus, the former name of OnEarth, published by the Natural Resources Defense Council
Amicus, a journal published by the Michigan State University College of Law
Amicus (alga), a genus of green algae in the family Dasycladaceae
Amicus (crustacean), a fossil genus of ostracods in the family Knoxitidae
Advance Australia Fair, national anthem of Australia, Originally published under the pseudonym "Amicus".
Amicus Mountain, a summit in Canada