from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An excursion by an astronaut outside a spacecraft in space; extravehicular activity.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any activity performed by an astronaut outside of a space vehicle in space.
from the GNU version of the Collaborative International Dictionary of English
- n. any activity by a human outside of the protective environment of a spacecraft while it is in outer space, requiring a space suit to protect the person from the vacuum and other hazards of space.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any kind of physical activity outside a spacecraft by one of the crew
Sorry, no etymologies found.