throttling

To cut back on the speed of (an engine, person, organization, network connection, etc.).

To strangle or choke someone.

To have the throat obstructed so as to be in danger of suffocation; to choke; to suffocate.

To breathe hard, as when nearly suffocated.

To utter with breaks and interruption, in the manner of a person half suffocated.

The temporary reduction of bandwidth through a communications network by controlling the package flow rate, in order to minimise congestion.

Reduction in amount of chemical or other fluid in process such as a heating or ventilation system.

Reduction in flow rate between two points caused by an intermediate restriction, device, structure or configuration.