Simple Definition of floodgate
: a gate for controlling the flow of water from a lake, river, reservoir, etc.
Full Definition of floodgate
1 : a gate for shutting out, admitting, or releasing a body of water : sluice
2 : something serving to restrain an outburst <opened the floodgates of criticism>
Origin of floodgate
Middle English flodgate
First Known Use: 13th century
Rhymes with floodgate
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Learn More about floodgate
Britannica.com: Encyclopedia article about "floodgate"
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