[], (Noun)

Definitions:
- Especially in the Maritime Provinces of Canada: a sluice gate in a dyke, which allows water draining from the land to flow out but does not allow sea water to enter.


Phrases:

Origin:
early 19th century. From Canadian French aboteau, aboiteau, apparently ultimately from Middle French bot elevated bank of a canal, dyke + -eau, suffix, probably via a French regional (western) intermediary