urinatrium 

1. A place to take a shower, wash hands or take a dump.

"Shit, I need to pay a visit to the urinatrium right bad!"

urinatrium by Adamo929 January 8, 2006

urinarium 

Generally, a place where one expels urine.

"What's a urinarium?"
"A bathroom, you twat."

urinarium by Capt. Killer July 2, 2006

uriniarium 

Another term for bathroom or urinal.

Man, I gotta hit the uriniarium really quick.

uriniarium by MRPrasad September 15, 2006

Urinarium 

A toilet cubicle

'Is he at the urinal?'
'No he's in the urinarium'

Urinarium by tvradio January 12, 2009