noun
: an internal-combustion engine having its piston driven by explosions of a mixture of air and vapor of gasoline or other volatile fuel ignited by an electric spark
noun
: an internal-combustion engine having its piston driven by explosions of a mixture of air and vapor of gasoline or other volatile fuel ignited by an electric spark
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012