1. A person skilled in the principles and practice of any branch of engineering; as, a civil engineer; an electronic engineer; a chemical engineer. See under Engineering, n.
2. One who manages as engine, particularly a steam engine; an engine driver.
3. One who carries through an enterprise by skillful or artful contrivance; an efficient manager. [Colloq.]
Civil engineer, a person skilled in the science of civil engineering.
Military engineer, one who executes engineering works of a military nature. See under Engineering.
n : an engineer trained to design and construct and maintain
public works (roads or bridges or harbors etc.)