AVEN

Axisymmetric Vectoring Exhaust Nozzle, a vectoring nozzle for the GE F-101 engine [US]
Found on http://www.jedsite.info/index.html

Aven

[river] The Aven is a natural watercourse on the south coast of Brittany, France. (Atlas, 2007) Its source is near Coray. It flows in a generally southerly direction through Rosporden and Pont-Aven before discharging into the Atlantic Ocean at the seaside resort Port Manec`h, part of Névez. Paul Gauguin spent some of his life living in the...
Found on http://en.wikipedia.org/wiki/Aven_(river)

AVEN

An underground vertical shaft leading upward from a cave passage or cave chamber, which often connects with other passages or shafts above and may be the underground entry point for recharge waters from a sinkhole, streamsink or swallet.
Found on http://www.cancaver.ca/docs/glossary.htm

Aven

Aven (ā'ven) , in the Bible, abusive name applied to towns: to Bethel (see Beth-aven); to Heliopolis in Egypt in the Book of Ezekiel; and to some other place, traditionally Baalbek, in the Book of Amos.
Found on http://www.infoplease.com/ce6/society/A0805451.html
No exact match found