1. an aircraft engine that uses a gas turbine to drive a propeller
2. an aircraft powered by a turboprop engine

Examples

• The regional airline uses turboprops for short-distance flights.
• A turboprop engine combines the efficiency of a propeller with the power of a jet engine.
• The small turboprop landed safely at the rural airport.
• Turboprops are more fuel-efficient than jets on shorter routes.
• The mechanic inspected the turboprop’s propeller blades.
• Many commuter airlines prefer turboprops for their reliability.
• The turboprop’s engine noise was much quieter than expected.