Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a machine that prints indicia on mail, indicating that postage has been paid: it records the number of pieces processed and the cost of postage
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A machine used in bulk mailing to print the correct amount of postage for each piece of mail, either directly on the piece or on a label to be put on the piece.