slough
US /slʌf/
UK /slʌf/

1.
pântano, lamaçal
a swamp or shallow lake system, especially one forming part of a river or other drainage system
:
•
The boat got stuck in the muddy slough.
O barco ficou preso no pântano lamacento.
•
Wildlife thrives in the peaceful slough.
A vida selvagem prospera no pântano tranquilo.