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spacewalk

or space walk

[ speys-wawk ]

noun

  1. a task or mission performed by an astronaut outside a spacecraft in space.

verb (used without object)

  1. to execute a task or mission outside a spacecraft in space.

spacewalk

/ ˈspeɪsˌwɔːk /

noun

  1. the act or an instance of floating and manoeuvring in space, outside but attached by a lifeline to a spacecraft Technical nameextravehicular activity

verb

  1. intr to float and manoeuvre in space while outside but attached to a spacecraft

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Other Words From

  • space·walk·er noun

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Word History and Origins

Origin of spacewalk1

First recorded in 1960–65, Americanism; space + walk

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