spacewalk
/ˈspeɪsˌwɔk/
noun
- An activity in which an astronaut leaves a spacecraft and moves around in outer space while attached by a tether.
- A spacewalk can last several hours and requires careful planning.
- During the spacewalk, she floated gracefully outside the International Space Station.
- The astronauts performed a spacewalk to repair the solar panels.
verb
- To move around outside a spacecraft in outer space.
- The crew will spacewalk tomorrow to install new equipment.
- Astronauts train underwater to practice how to spacewalk safely.
- He was the first person to spacewalk without a tether.