toilet BrE ** , WC (abbreviation) BrE , also: water closet BrE old-fashioned , also: loo BrE informal
restroom AmE
bathroom AmE *** , also: john AmE informal *****

The water closet was a whirlpool set in the floor.

From the other room came a pounding on the door of the water closet.

Coming back from the water closet, I stopped at the bar for a drink.

In the western world, it has now been almost completely replaced by the water closet.

"Which is the way down the aisle to the water closet?"

In other countries this is mostly called the "toilet" or "water closet."

Laura picked up her case and went into the water closet.

It could be the water closet and he would not care.

By the 1830s the water closet was widely used in London.

Parker dropped the four guns in a water closet and went back outside.