A house is where people live. It can be large or small and has different rooms.
I live in a big house.
She has a nice house.
'House' can mean a family group with a historical background or influence, often in aristocracy or royalty.
The house of Windsor has been the British royal family.
She belongs to a noble house.
In politics, 'house' refers to a part of a legislative body, such as the House of Representatives.
The house voted on the new law today.
Each house in Congress has its own rules.
As a verb, 'house' means to give someone a place to stay or live. It can also refer to keeping an object or equipment safe.
We will house the guests in the main hall.
They housed the refugees in a shelter.