noun
the whole audience; full house
Refers to everyone present in a venue such as a theater, hall, or lecture room. Often used in phrases like 満堂の拍手 (applause from the whole audience) or 満堂を沸かせる (bring down the house).
彼のスピーチが終わると、満堂から大きな拍手が起こった。
When his speech ended, loud applause arose from the whole audience.
そのコメディアンは満堂を笑いの渦に巻き込んだ。
The comedian had the entire audience roaring with laughter.