a government stamp to be put on a letter or package as a sign that the postage has been prepaid: it is either a small, printed, gummed label or a design imprinted on an envelope, postal card, etc.
A small, usually adhesive label issued by a government and sold in various denominations to be affixed to items of mail as evidence of the payment of postage.
(plural postage stamps)
- A small piece of printed paper stuck on an item to be mailed, indicating that postage has been paid.
- The postage stamps on the letters from overseas were almost as interesting as the letters themselves.
- (figuratively, colloquial) A very small area.
- We have just a postage stamp of a back garden.