turbo-propeller engine

noun Aeronautics.
  1. a jet engine with a turbine-driven propeller that produces the principal thrust, augmented by the thrust of the jet exhaust.

Origin of turbo-propeller engine

First recorded in 1945–50
Also called propjet engine, turboprop engine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018