- an international Christian organization founded in England in 1865 by William Booth, organized along quasi-military lines and devoted chiefly to evangelism and to providing social services, especially to people in poverty.
- a retail store operated by the Salvation Army selling donated clothing, furniture, books, etc., at low prices: This sofa was a bargain at the Salvation Army.
- a Christian body founded in 1865 by William Booth and organized on quasi-military lines for evangelism and social work among the poor
- (as modifier)