slough

US /slʌf/
UK /slʌf/
"slough" picture
1.

a swamp or shallow lake system, especially one forming part of a river or other drainage system

:
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The boat got stuck in the muddy slough.
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Wildlife thrives in the peaceful slough.
:
swampmarshbogmirequagmire
1.

(of a snake or other animal) cast off or shed (a skin)

:
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The snake began to slough its old skin.
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Dead cells slough off the skin regularly.
:
shedcast offdiscardmoultexfoliate