A sunroom is a room in a house with lots of windows and sunlight. It's a nice place to sit and enjoy the sun without being outside.
A sunroom can make people think of relaxation, warmth, and comfort.
Examples:
I like to read in the sunroom.
The sunroom is very bright and warm.
We eat breakfast in the sunroom every morning.
The sunroom is my favorite room in the house.
In the sunroom, it feels like summer all year round.
The sunroom is the best place to take a nap in the afternoon.