noun.
In metallurgy, same as slime, 3: chiefly in the plural.
noun.
A dirty back street of a city, especially such a street inhabited by a squalid and criminal population; a low and dangerous neighborhood: chiefly in the plural: as, the slums of Whitechapel and Westminster in London.
To keep to back streets.
To visit the slums of a city, often from mere curiosity or as a diversion.