round_top
1. [ noun ] (housing) a canvas tent to house the audience at a circus performance
Synonyms: big_top top circus_tent
Examples:

"he was afraid of a fire in the circus tent" "they had the big top up in less than an hour"

Related terms: canvas_tent circus
Similar spelling:   round_up
  roundup
  Round_Table
  round_off
  roundabout
  round_file
  round_bone