house of assignation

The royal palace was simply a house of assignation.

"And that accounts for what I heard the other day, that she was seen riding home with that Madame Layton, who keeps a house of assignation in —— street."

He is an artist with little money and less Chinese, and it takes him a while to discover that he has moved into a house of assignation.

Lamon was a big, good-natured brawler, whose "office was conveniently located over a saloon, the remainder of the second floor of the building being occupied by a house of assignation."

"This is not a house of assignation," she said gravely, merely recording a casual fact.