Very common everyday shorthand for リビングルーム, referring to the main sitting or family room of a home.
See also: リビングルーム
I'm watching TV in the living room.
The new house has a spacious living room.
I like relaxing in the living room on days off.
We put the new TV in the living room.
I tidied up the living room before the guests came.
You can buy living-room goods cheaply at that store.
second living room; secondary living room
living-room kitchen; open-plan kitchen-diner
coffee table
outdoor living
combined living and dining room; living-cum-dining room
combined living-dining-kitchen area; LDK