Definition of "stamper" [stamp•er]

• One, such as a worker or a machine, that stamps: a metal stamper. (noun)

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.

• "Lots of keyword-related tools, including a keyword stamper and keyword browser"
• "One recently approached Megaus, a legitimate Warsaw CD plant, offering one executive a small fortune to replicate a complex Microsoft hologram on a "stamper," a nickel disk that is used to manufacture software CDs."
• "Lightning McQueen 'stamper' recalled, might carry cancer risk"