spacewalk

[speys-wawk]

noun

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

verb (used without object)

to execute such a task or mission.

Origin of spacewalk

An Americanism dating back to 1960–65; space + walk

Related formsspace·walk·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for spacewalk

spacewalk

noun

the act or an instance of floating and manoeuvring in space, outside but attached by a lifeline to a spacecraftTechnical name: extravehicular activity

verb

(intr) to float and manoeuvre in space while outside but attached to a spacecraft

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012