As nouns the difference between bayou and lagoon
is that bayou is a slow-moving, often stagnant creek or river while lagoon is a shallow body of water separated from deeper sea by a bar.
bayou
Alternative forms
* byo
Noun
(
en noun)
A slow-moving, often stagnant creek or river.
A swamp, a marshy (stagnant) body of water.
Usage notes
* Used almost exclusively to refer to bodies of water in Louisiana and the adjoining areas, including southern Mississippi, eastern Texas, and Arkansas.
Anagrams
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lagoon
Noun
(
en noun)
A shallow body of water separated from deeper sea by a bar.