1. mechanical engineer a person trained to design and construct machines
  2. mechanical engineering the branch of engineering that deals with the design and construction and operation of machinery
  3. aeronautical engineer an engineer concerned with the design and construction of aircraft
  4. mining engineer an engineer concerned with the construction and operation of mines
  5. mechanical energy energy in a mechanical form
  6. electrical engineer a person trained in practical applications of the theory of electricity
  7. mechanical phenomenon a physical phenomenon associated with the equilibrium or motion of objects
  8. mechanical mixture a mixture whose components can be separated by mechanical means
  9. mechanical drawing the craft of drawing blueprints
  10. metallurgical engineer an engineer trained in the extraction and refining and alloying and fabrication of metals
  11. mechanical piano a mechanically operated piano that uses a roll of perforated paper to activate the keys
  12. marine engineer a naval officer responsible for the operation and maintenance of the ship's engines
  13. mechanical man an automaton that resembles a human being
  14. naval engineer a naval officer responsible for the operation and maintenance of the ship's engines
  15. chemical engineering the branch of engineering that is concerned with the design and construction and operation of the plants and machinery used in industrial chemical processes
  16. mechanical advantage the ratio of the force exerted by a machine to the force applied to it
  17. mechanical device mechanism consisting of a device that works on mechanical principles
  18. aeronautical engineering the branch of engineering science concerned with the design and construction of aircraft
  19. machine gunner a serviceman in the artillery
  20. Wankel engine a rotary engine that is a four-stroke internal-combustion engine without reciprocating parts