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1.
JEC
Justice excellence courage
It takes a clan like JEC to protect the fields of BF1942.
by KM August 11, 2003
 
2.
jec
A soccer team from Joinville, south of Brazil.
"JEC will play today..."
by Archon March 13, 2005
 
3.
JEC
A secret group of covert spies placed in SUNY Oswego for super secret missions.
JEC infiltrated the janitors domain without setting off any alarms
by JECSAG October 03, 2008