the throne
1. The ruling position within a monarchy or empire. The new baby will be next in line for the throne. Several different factions vied for control of the throne in the bloody war.
2. slang The toilet. I keep a stack of books and magazines in the bathroom so I always have something to read while I'm on the throne. I think your father was just on the throne, so you might want to wait a while before you go in there.
the throne
n. a toilet; a toilet seat. And there was the cat—right on the throne, just staring at me.