throttle

throttle is a   Noun

Definition:

[1] The windpipe, or trachea; the weasand. Sir W. Scott.

[2] The throttle valve. Throttle lever (Steam Engine), the hand lever by which a throttle valve is moved, especially in a locomotive. -- Throttle valve (Steam Engine), a valve moved by hand or by a governor for regulating the supply of steam to the steam chest. In one form it consists of a disk turning on a transverse axis.

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