noun
bayou
BYE-oo/ˈbaɪuː/
A slow-moving marshy waterway, especially in the southern United States.
The sluggish bayou winds between marshy banks and bald cypress trees.

Etymology
Choctaw bayuk meant “small stream”; the English word emphasizes the watercourse’s sluggish flow, often as an outlet of a lake or river.
In context
From Lake Borgne, British troops had to traverse miles of bayou, swamp, and marsh to reach dry ground south of New Orleans.
More examples
- Birds gather along the marshy edge of the bayou.
- Several narrow bayous connect the lake with the river.
- The story takes place near a Louisiana bayou.
Forms
bayou · bayous