circus
Refers to a traveling show with acrobats, clowns, and animals, or the organization that runs it.
子供の頃、家族でサーカスを見に行った。
When I was a child, my family went to see the circus.
When I was a kid, my family went to see a circus.
Every summer a circus is held in the park.
In his youth he joined a circus troupe and became an acrobat.