rocket sled
noun
a sled propelled along a long track by rocket engines, for testing the effects of high rates of acceleration and deceleration.
Origin of rocket sled
First recorded in 1950–55
Words nearby rocket sled
rocket propulsion,
rocket salad,
rocket science,
rocket scientist,
rocket ship,
rocket sled,
rocket-propelled,
rocketeer,
rocketry,
rocketsonde,
rockeye