'Sitting room' definitions:

Definition of 'sitting room'

noun

A room in a private house or establishment where people can sit and talk and relax [syn: living room, living-room, sitting room, front room, parlor, parlour]

From: GCIDE

Sitting \Sit"ting\, n.
1. The state or act of one who sits; the posture of one who occupies a seat. [1913 Webster]
2. A seat, or the space occupied by or allotted for a person, in a church, theater, etc.; as, the hall has 800 sittings. [1913 Webster]
3. The act or time of sitting, as to a portrait painter, photographer, etc. [1913 Webster]
4. The actual presence or meeting of any body of men in their seats, clothed with authority to transact business; a session; as, a sitting of the judges of the King's Bench, or of a commission. [1913 Webster]
The sitting closed in great agitation. --Macaulay. [1913 Webster]
5. The time during which one sits while doing something, as reading a book, playing a game, etc. [1913 Webster]
For the understanding of any one of St. Paul's Epistles I read it all through at one sitting. --Locke. [1913 Webster]
6. A brooding over eggs for hatching, as by fowls. [1913 Webster]
The male bird . . . amuses her [the female] with his songs during the whole time of her sitting. --Addison. [1913 Webster]
Sitting room, an apartment where the members of a family usually sit, as distinguished from a drawing-room, parlor, chamber, or kitchen. [1913 Webster] Situate