RhymeZone: rato definitions

Definitions of RATO:

noun: A takeoff assisted by such a unit.
noun: A male given name from the Slavic languages
noun: Alternative form of RATO [A takeoff assisted by such a unit.]
noun: (UK, aviation, military) Initialism of rocket-assisted takeoff., an auxiliary rocket engine in a detachable unit that provides extra power for the takeoff of an aircraft.

(Definitions from Wiktionary)