engineer (EN)

noun, verb

noun “engineer”

1. a person who designs, builds, or maintains engines, machines, or structures
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   She always dreamed of becoming an engineer and building bridges.
2. a soldier who designs or constructs military works
   The army engineers built a temporary bridge over the river.
3. a person who operates an engine or machinery (especially on a ship)
   The ship's engineer ensured that the engines ran smoothly during the voyage.
4. (US) a person who drives or operates a train
   The engineer blew the train's whistle as they approached the station.
5. a person who skillfully arranges for something to happen; a planner or schemer
   He was the chief engineer behind the company's successful merger.

verb “engineer”

1. to design, build, or maintain engines, machines, or structures
   She engineered a new model of the engine to be more efficient.
2. to skillfully plan or arrange something to achieve a goal
   They engineered a successful marketing campaign.
3. to genetically modify an organism or construct a DNA sequence
   Scientists engineered bacteria to produce medicine.