spacewalk

[speys-wawk]
noun
1.
a task or mission performed by an astronaut outside a spacecraft in space.
verb (used without object)
2.
to execute such a task or mission.

Origin:
1960–65, Americanism; space + walk

spacewalker, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To spacewalk
Collins
World English Dictionary
spacewalk (ˈspeɪsˌwɔːk)
 
n
1.  Technical name: extravehicular activity the act or an instance of floating and manoeuvring in space, outside but attached by a lifeline to a spacecraft
 
vb
2.  (intr) to float and manoeuvre in space while outside but attached to a spacecraft

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
If you want to take a deeper spacewalk, check out the cool behind-the-scenes
  video as well.
Venturing out requires not only warm clothing but also almost spacewalk
  procedures.
Third spacewalk continued as planned for about seven hours.
Astronauts added the lab to the station during an eight-hour spacewalk this
  week.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature