Dictionary

turboshaft

noun tur·bo·shaft \ˈtər-bō-ˌshaft\

Definition of TURBOSHAFT

:  a gas turbine engine that is similar in operation to a turboprop engine but instead of being used to power a propeller is used through a transmission system for powering other devices (as helicopter rotors and pumps)

First Known Use of TURBOSHAFT

1958

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