WordNet
n. a hotel room that shares a wall with an adjoining room but is not connected by a door
Usage examples of "adjoining room".
In an adjoining room Andrea saw also a tolerably clean table prepared for two, two bottles of wine sealed, the one with green, the other with yellow, a supply of brandy in a decanter, and a measure of fruit in a cabbage-leaf, cleverly arranged on an earthenware plate.
They toasted each other and refilled the cups, the room small and pleasant, candle-lit, with bed futons already made up in the adjoining room.
Spielhagen sure that the missing page was with the others when he sat down in the adjoining room to read his thesis?
I wondered at first why he did not call for help and then I came to the conclusion that it was because there were no warriors in the adjoining room, as there had been upon my previous visit to Yo Seno's quarters.
Lady Greystoke, Korak and Meriem were awaiting, in an adjoining room, the verdict of the surgeon.
He carried it to another table, deposited it there, and from an adjoining room brought a stool.