Longman Dictionary of Contemporary English
day room
noun
EXAMPLES FROM CORPUS
▪ A day room is about $ 18 for single and $ 27 for double, up to four hours.
▪ Helena Naulls was in the day room with the dozen or so other old women and the two old men.
▪ I can tell by the way they look at McMurphy that morning when he comes in to the day room.
▪ In this day room we again met the most interesting folk.
▪ Seven-thirty back to the day room.
▪ The Big Nurse comes into the day room with her covey of student nurses and her basket of notes.
Wiktionary
day room
n. Alternate spelling of dayroom