Engineer meaning : A person who is qualified or professionally engaged in any branch of engineering. A title given to an engineer. A person who controls motion of substance (such as a locomotive). A person employed in the engine room of a ship. To design, construct or manage something as an engineer. To alter or construct something by means of genetic engineering. To plan or achieve some goal by contrivance or guile; to wangle or finagle. To control motion of substance; to change motion. To work as an engineer.