engineering

1. A soldier engaged in designing or constructing military works for attack or defence, or other engineering works.
2. (obsolete) A soldier in charge of operating a weapon; an artilleryman, a gunner.
3. A person professionally engaged in the technical design and construction of large-scale private and public works such as bridges, buildings, harbours, railways, roads, etc.; a civil engineer.
4. Originally, a person engaged in designing, constructing, or maintaining engines or machinery; now (more generally), a person qualified or professionally engaged in any branch of engineering, or studying to do so.
5. A person trained to operate an engine; an engineman.
6. A person trained to operate an engine; an engineman.
7. A person trained to operate an engine; an engineman.
8. Preceded by a qualifying word: a person who uses abilities or knowledge to manipulate events or people.
9. A person who formulates plots or schemes; a plotter, a schemer.