To read (copy or proof) in order to find errors and mark corrections.(verb-transitive)
To read copy or proof for purposes of error detection and correction.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "proofread" in a sentence
"I have proofread from the 1926 edition, with one exception."
"I always try to 'proofread' my posts before I hit send."
"Also, how did you get the bloggerhack comments to say "proofread" and not "preview?""