Top Definition
A giant orbital facility created by the remaining governments of Earth, to be used as a final weapon against the Leonid Meteor which is the source of the alien Phantom outbreak.

The weapon uses a bioetheric laser several times larger from conventional medical lasers to blast into the crater, effectively destroying all Phantoms that reside within.
The Zeus Cannon is a proven, effective weapon; it will kill Phantoms.
by Tim Kedojeh January 19, 2005
In the movie "Final Fantasy : The spirits within" The Zeus cannon was constructed to make one final strike at the 'alien' gaia.
Zeus cannon at 100%. We fire on your command.
by some guy June 09, 2003
Another term for beer bong
I'm gonna hit the zues cannon
by Gielskio June 04, 2003
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