definition of
engineer

[1] #1 engineer n. [applied scientist, technologist] a person who uses scientific knowledge to solve practical problems. wn

[2] #2 engineer v. design as an engineer; "He engineered the water supply project". wn

[3] #3 engineer n. [locomotive engineer, railroad engineer, engine driver] the operator of a railway locomotive. wn

[4] #4 engineer v. [mastermind, direct, organize, organise, orchestrate] plan and direct (a complex undertaking); "he masterminded the robbery". wn