Appears to be a rotunda when one views it (5,5)

I believe the answer is:

looks round

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.