aboideau

== English == === Alternative forms === aboiteau === Etymology === Borrowed from Acadian French aboideau. === Pronunciation === (US) IPA(key): /ɑ.bwɑ.doʊ/ === Noun === aboideau (plural aboideaux or aboideaus) (Canada, Acadia) A tide gate, designed to protect marshland, so constructed as to let out water at low tide, but to prevent an influx of water at high tide.