We don't have synonyms for aboiteau yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are aboideau, raboteau and boileau.
(n) :
(Canada, Acadia) Alternative form of aboideau. [(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.]
(n) :
(Canada, Acadia) Alternative form of aboideau. [(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.]