Pronunciation: (prOOf'rēd"), [key]
—v., -readPronunciation: (-red"), [key] -read•ing.
to read (printers' proofs, copy, etc.) in order to detect and mark errors to be corrected.
to read printers' proofs, copy, etc., to detect and mark errors, esp. as an employee of a typesetting firm, newspaper office, or publishing house. See table of Proofreader's Marks in back matter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.