Spacesuit (noun)

A specially designed garment worn by astronauts to protect them from the environment of space.

Origin:

Mid 20th century: from space + suit.

Examples:

1. The astronaut struggled to get into the spacesuit.
2. The spacesuit allowed the astronaut to walk on the moon.
3. The spacesuit had its own air supply and cooling system.
4. The spacesuit was bulky, but necessary for survival in space.
5. The spacesuit was tested before each space mission to ensure it was in proper working order.