A stairway is a set of steps leading up or down from one level to another.
You might see a stairway connecting the different floors in a big building like an office block or a shopping mall. It's often made of stone, wood, or metal, and can be quite grand with fancy railings and carpeting. Some people also have stairways in their homes, especially if they live in a multi-story house. If you're at a train station, you might walk up a long stairway to get to the platform where your train is waiting.
A set of steps allowing one to walk up or down.
Example: The phrase "stairway to heaven" has a variety of cultural significances.
