DICT.TW Dictionary Taiwan

 Throt·tle n.
 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.