What does QUX stand for?

What does QUX mean?

QUX	Will you indicate the magnetic course for me to steer towards you with no wind? Academic & Science » Amateur Radio
QUX	Caudebec-en-Caux, France Regional » Airport Codes
QUX	The fourth of the standard metasyntactic variable, after baz and before the quu(u...)x series. Computing » General
QUX	Quadra FNX Mining Ltd. Business » Toronto Stock Exchange

qux: The fourth of the standard metasyntactic variable, after baz and before the quu(u...)x series. See foo, bar, baz, quux. This appears to be a recent mutation from quux, and many versions (especially older versions) of the standard series just run foo, bar, baz, quux, ....