organization, organisation - a group of people who work together

Alcoholics Anonymous, AA - an international organization that provides a support group for persons trying to overcome alcoholism

Greenpeace - an international organization that works for environmental conservation and the preservation of endangered species

Markaz-ud-Dawa-wal-Irshad, MDI - a Sunni organization formed in 1989 and based in Pakistan; opposes missionary groups from the United States; has Lashkar-e-Tayyiba as its armed wing

Red Cross - an international organization that cares for the sick or wounded or homeless in wartime

Salvation Army - a charitable and religious organization to evangelize and to care for the poor and homeless

Umma Tameer-e-Nau, UTN - a nongovernmental organization of Pakistani scientists that has been a supporter of terrorism; has provided information about chemical and biological and nuclear warfare to Osama bin Laden and al-Qaeda and the Taliban

National Trust, NT - an organization concerned to preserve historic monuments and buildings and places of historical interest or natural beauty; founded in 1895 and supported by endowment and private subscription

denomination - a group of religious congregations having its own organization and a distinctive faith

Congress of Racial Equality, CORE - an organization founded by James Leonard Farmer in 1942 to work for racial equality

citizens committee, committee - a self-constituted organization to promote something

foreign mission, mission, missionary post, missionary station - an organization of missionaries in a foreign land sent to carry on religious work