Nautical To move (a ship) away from a dock.(verb-transitive)
To uncouple (spacecraft).(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "undock" in a sentence
"However, Russia could undock from the Unity Node 1 module and still have a fully operational space station since all the Russian modules are interconnected as a single unit attached to the Unity Node 1 module."
"Atlantis is scheduled to undock from the space station on Monday and land in Florida on Wednesday."
"We need to add a listener to the application to call our undock function whenever the icon is clicked, and second, there is no tooltip property on dock icons."