An adjustable gate or valve used to control the flow of water through a sluice.
Anything that controls or limits an outpouring of people, emotion etc.
The lever or pedal that controls this valve.
A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.
To utter with breaks and interruption, in the manner of a person half suffocated.
To have the throat obstructed so as to be in danger of suffocation; to choke; to suffocate.
To control or adjust the speed of (an engine).
To breathe hard, as when nearly suffocated.
To cut back on the speed of (an engine, person, organization, network connection, etc.).
To strangle or choke someone.