Top definition
The vacant area located immediately above one's browser window and adjacent to any and all tabs which may or may not be already present.
"If you need a new tab, just double-click in the tablessarium."
by Brian C. and Joe H. March 31, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

Alphabetical list