Русско-англо-русский юридический словарь

"Silence, s’il vous plait,” the young court usher said, and an immediate hush descended on the room. “All rise, the court is now in session,” he ordered, and the public stood abruptly as the judge and chief investigator swept into the court in black robes. (The Guardian)

Open Court, as the name suggests is a court that is open to the public. The public is free to attend an open court session. (USLegal)

emergency session is an urgent meeting held by parliament, ministers, etc. to discuss what measures should be taken to deal with an emergency ? The Security Council held an emergency session on Sunday., ? MPs will debate the crisis in emergency session this morning. (Collins English Dictionary)

Mr Tsipras is expected to call an emergency session of parliament on Thursday to ratify the bailout. (BBC News)