An engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle.

(astronautics) a type of spacecraft propulsion, whereby electric fields accelerate ions out the exhaust to provide motive force

(Britain, dated) The person who drives the engine of a train.

A piston engine driven by steam (as contrasted, for example, with a steam turbine). / Any heat engine that uses steam as its primary working fluid to do mechanical work. / (Britain) A steam locomotive.

One who designs and implements software solutions.

The manufacturing of products with a degree of precision defined by individual molecules or atoms

problems occurring with an engine or motor, especially with that of a motor car

(firefighting) A vehicle used by firefighters to pump water to fight a fire. Typically, a fire engine carries a supply of water and has the ability to connect to an external water supply.

The practice of letting accidents or failures (perhaps occasioning death, but not necessarily) identify engineering problems. / 2005, Safe Skies International

(computing) A mechanical general-purpose computer, designed by Charles Babbage but never built.