All people present (in a meeting or assembly); often used in expressions like 'unanimous' (満場一致).
その案は満場一致で可決された。
The proposal was passed unanimously.
満場の拍手が会場に響いた。
The applause from everyone present echoed through the hall.
議長は満場の意見をまとめて発表した。
The chair summarized and announced the opinions of all present.