n. & v.
--n.
1. a (in full throttle-valve) a valve controlling the flow of fuel or steam etc. in an engine. b (in full throttle-lever) a lever or pedal operating this valve.
2 the throat, gullet, or windpipe.
--v.tr.
1. choke or strangle.
2 prevent the utterance etc. of.
3 control (an engine or steam etc.) with a throttle.
Phrases and idioms:
throttle back (or down) reduce the speed of (an engine or vehicle) by throttling.
Derivatives:
throttler n.
Etymology: ME throtel (v.), perh. f. THROAT + -LE(4): (n.) perh. a dimin. of THROAT