to control the supply of fuel or power to an engine in order to reduce / increase the speed of a vehicle :
I throttled back as we approached the runway.
to control the supply of fuel or power to an engine in order to reduce / increase the speed of a vehicle :
I throttled back as we approached the runway.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005