Longman Dictionary of Contemporary English
morning room
noun
EXAMPLES FROM CORPUS
▪ He then escorted us to the morning room, where we were greeted by a large log fire.
▪ His birthday it might be, but the Grand Duke seemed ill at ease as he received them in the morning room.
▪ In biro, she wrote on a piece of paper taken from an ancient stack in a bureau of the morning room.
▪ It was tea-time in the morning room.
▪ She followed quietly, a well-mannered guest, as they crossed the crowded length of the morning room.
▪ The morning room carpet rolled up and boxed in place.
▪ They travelled by a short stairway from the morning room, up into a narrow corridor carved with horses' heads.
▪ Well, at the morning room end, there would be a small orchestra, on a specially built, movable dais.
Wiktionary
morning room
n. a sitting-room in a big house, usually in the past, where people stayed in daylight only.
WordNet
morning room
n. a sitting room used during the daylight hours
Usage examples of "morning room".
Denis peeped at them discreetly from the window of the morning room.
The day he had suddenly excused himself from her morning room, only to return for Dianna an hour later.
The grand staircase, the ballroom, the fencing salon, the billiard room, the library, the morning room, the sunroom, his own suite with his personal treasures .
Miss Carlton, through the open doors into the morning room, I did not wish to be seen coming out with Miss Bartlett.