a craft capable of traveling in outer space; technically, a satellite around the sun
"The spacecraft is designed to travel through outer space and orbit our star as an artificial satellite of the sun."
A vehicle that travels through space.
"The spacecraft successfully orbited Mars after its long journey from Earth."
In plain English: A spacecraft is any vehicle designed to travel through space, such as rockets and satellites that carry people or equipment away from Earth.
"The spacecraft landed safely on Mars after months traveling through deep space."
The word spacecraft combines the word space with the suffix -craft to mean a vehicle designed for travel through outer space.