| a small gummed label issued by postal authorities that can be affixed to an envelope, postcard, or package as evidence that postal charges have been paid. |
[poh-stij-stamp] 
| of very small area or size: a postage-stamp bikini. |
| postage stamp n. 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. |