American English

Definition of engineer noun from the Oxford Advanced American Dictionary



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  1. 1a person whose job involves designing and building engines, machines, roads, bridges, etc. see also lighting engineer, recording engineer, software engineer, sound engineer
  2. 2a person who is trained to repair machines and electrical equipment They're sending an engineer to fix the cable.
  3. 3a person whose job is to control and repair engines, especially on a ship or an aircraft a flight engineer the chief engineer on a cruise ship
  4. 4a person whose job is driving a railroad engine
  5. 5a soldier trained to design and build military structures
See the Oxford Advanced Learner's Dictionary entry: engineer