- a craft capable of traveling in outer space; technically, a satellite around the sun
- A spacecraft is a craft or machine designed for spaceflight. Spacecraft are used for a variety of purposes, including communications, earth observation, meteorology, navigation, planetary exploration and space tourism. Spacecraft and space travel are common themes in works of science fiction.
- A vehicle that travels through space
- A piloted or unpiloted vehicle designed for travel in space.
- Devices, either manned or unmanned, which are designed to be placed into an orbit about the earth or into a trajectory to another celestial body. Also known as a space ship; space vehicle.