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1. A place where one stores arbitrary thoughts
2. A facility where trees and shrubs are cultivated for exhibition
What's up with your neighbors? Is that an arbitrarium?
by Who777 November 30, 2010
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2
A generic word for a building that you can not better describe
A building used for pretty much any use imaginable
The edifice equivalent of the object generalization "thingeymabob"
Girl One: We're done with lunch, where should we meet you?
Girl Two: Uhh we're in front of the big arbitrarium on the corner, meet us here.
by Whooshnbj October 24, 2013
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