Dictionary definition · slough
noun
- necrotic tissue; a mortified or gangrenous part or mass
- a hollow filled with mud
- any outer covering that can be shed or cast off (such as the cast-off skin of a snake)
- a stagnant swamp (especially as part of a bayou)
verb
- cast off hair, skin, horn, or feathers"our dog sheds every Spring"
Source: Open English WordNet (CC BY 4.0).