turboshaft

[ tur-boh-shaft, -shahft ]
/ ˈtɜr boʊˌʃæft, -ˌʃɑft /

noun Aeronautics.

a gas turbine used to deliver shaft power, as to a helicopter rotor.
Also called turboshaft engine.

Origin of turboshaft

First recorded in 1955–60; turbo- + shaft