This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The room in a printing or newspaper publishing establishment that contains the presses.

n. The room in a public building where press conferences are given

"Phones rang constantly and reporters crowded into the pressroom down the hall."

brickyard    Starr    bindery    composing-room    printing-office