A utility room is a special room in a house where important things are kept and things get done. It's like a backstage or a secret hideout. It's usually not a fancy room, but it's very helpful because it helps keep the rest of the house clean and organized.
The utility room commonly has a big washing machine and a dryer, which is where dirty clothes are washed and dried when they need cleaning. It also has a sink that can be used for washing stuff like dirty dishes or muddy boots. Some houses put the water heater, air conditioning unit, or furnace in here, so it's also where the machines that help keep the house warm or cold are kept.
Utility rooms can also have a lot of storage space for things like brooms, mops, cleaning supplies, off-season clothes, and other things that are needed often but not always. Sometimes, a utility room can have a door to the outside of the house, so it's easier to take out the trash or bring in groceries.
So, basically, a utility room looks like a simple room with important things inside that help your house become and stay organized and clean.