space vehicle spa·ce·ve·hicle uncommon noun 1. a craft capable of traveling in outer space; technically, a satellite around the sun Synonymsspacecraftballistic capsulespace vehicle Related words Broader terms craftsatellite Narrower terms landerlunar excursion modulespace capsulespace shuttlestarship Part of cabinheat shieldinertial guidance systemmodule WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.