space walk


: an activity in which an astronaut moves around and does work outside a spacecraft while it is in outer space

Full Definition of SPACE WALK

:  a period of activity spent outside a spacecraft by an astronaut in space
space·walk \ˈspās-ˌwk\ intransitive verb
space·walk·er \-ˌw-kər\ noun

First Known Use of SPACE WALK



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