re ‧ en ‧ gi ‧ neer BrE AmE ( also re-engineer ) /ˌriːendʒəˈnɪə, ˌriːendʒɪˈnɪə $ -ˈnɪr/ verb [transitive]
1 . to change the structure of an activity, organization etc so that it performs better:
They reengineered the department, and cut nearly 400 jobs.
2 . to improve the design of a product:
Radio networks are being reengineered to give digital operation.
—reengineering noun [uncountable]