big top

big top
    n 1: a canvas tent to house the audience at a circus
         performance; "he was afraid of a fire in the circus tent";
         "they had the big top up in less than an hour" [syn:
         {circus tent}, {big top}, {round top}, {top}]
    

24 Moby Thesaurus words for "big top":
      burlesque show, carnival, circus, coochie show, fantoccini,
      floor show, galanty show, girly show, hootchy-kootchy show,
      leg show, light show, magic show, ombres chinoises, peep show,
      puppet show, raree-show, rep show, repertory show, rodeo,
      shadow show, sideshow, the big top, variety show,
      vaudeville show