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1.
A person who shares a cubicle with you
"I just got a new cubemate at work today."
by Brosi April 28, 2008
 
2.
When sharing a cubicle in an office setting the other person is referred to as the cubemate.
Sandy sits next to me in the same cubicle making her my cubemate.
by ghhutch January 13, 2012