Definition from Wiktionary, the free dictionary
- Present participle of engineer.
engineering (plural engineerings)
- (uncountable) The application of mathematics and the natural sciences to the needs of humanity and the development of technology.
- The work or discipline of an engineer.
- The area aboard a ship where the engine is located.
Derived terms 
application of science to the needs of humanity
work of an engineer
area aboard a ship where the engine is located