Undo

Undo is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited. The opposite of undo is redo. The redo command reverses the undo or advances the buffer to a more cur...
Found on http://en.wikipedia.org/wiki/Undo

Undo

• (v. t.) To reverse, as what has been done; to annul; to bring to naught. • (v. t.) To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle. • (v. t.) To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the...
Found on http://thinkexist.com/dictionary/meaning/undo/

Undo

A command in some computer software that reverses the last command entered.
Found on http://www.encyclo.co.uk/local/20447

Undo

Cancels the results of the last operation.
Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

undo

Latin, meaning: to surge, wave, undulate / to flood.
Found on http://archives.nd.edu/uuu.htm

undo

[v] - cause the ruin or downfall of 2. [v] - cancel, annul, or reverse an action or its effect
Found on http://www.webdictionary.co.uk/definition.php?query=undo
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