Barachois

A barachois is a term used in Atlantic Canada, Saint Pierre and Miquelon, Réunion and Mauritius Island to describe a coastal lagoon partially or totally separated from the ocean by a sand or shingle bar. Salt water may enter the barachois during high tide.
The bar often is formed as a result of sediment deposited in the delta region of a river or – as is the case in Miquelon – by a tombolo.
Name.
The English term comes from the French language, where the word is pronounced .
The term comes from a Basque word, "barratxoa", meaning "little bar". The popular derivation from the French "barre à choir" is without historical merit.
In Newfoundland English, the word has become pronounced (and sometimes written) as "barrasway".