Regulate Fuel Flow Entering an Engine
This page is the CodyCross answer for the clue below from House of Horrors, Group 1119, Puzzle 1 (Levitation).
Question
Regulate Fuel Flow Entering an Engine
Answer
THROTTLE
Word Meaning:
THROTTLE — A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.
Definitions from Wiktionary.