1. The windpipe, or trachea; the weasand.
2. Steam Engine 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.
n : a valve that regulates the supply of fuel to the engine
[syn: accelerator, throttle]