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Big top

noun

Noun

1
A circus tent, especially the largest in a given circus, where the central attractions take place.
"As a trapeze performer, she generally worked in the big top, but due to her injury, she was stuck working concessions."
2
a canvas tent to house the audience at a circus performance wordnet
3
A large tent of the style used for circusses. broadly
4
The circus; the circus lifestyle. broadly
"He had been a big top performer in his youth, but in a twist of fate he had run away to become an investment banker."

From big + top.

Unscramble this word: bigtop