1. Plural of proofroom; rooms in a printing or publishing facility where printed proofs are examined and corrected before final production.
Usage: Primarily used in printing and publishing industries; Often refers to dedicated workspaces where quality control and proofreading occur

Examples

• The printing company maintained several proofrooms where editors reviewed galleys.
• Quality control staff worked in the proofrooms to catch errors before publication.
• The proofrooms were equipped with magnifying glasses and color-matching tools.
• Designers submitted their work to the proofrooms for final inspection.
• The proofrooms operated on a strict schedule to meet publication deadlines.