- a dyke with a sluicegate that allows flood water to drain but keeps the sea water out
- a sluicegate in a dyke
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for aboideau
The work was completed in August, 1774, by the construction of an aboideau.
This dyke and aboideau served the purpose of shutting out the tide from about 600 acres of marsh land.
They were at that time employed by Simonds & White in building an aboideau and dykeing the marsh.