'Postage stamp' definitions:

Definition of 'postage stamp'

From: WordNet
noun
A small adhesive token stuck on a letter or package to indicate that that postal fees have been paid [syn: postage, postage stamp, stamp]

Definition of 'Postage stamp'

From: GCIDE
  • Postage \Post"age\, n. The price established by law to be paid for the conveyance of a letter or other mailable matter by a public post. [1913 Webster]
  • Postage stamp, a government stamp required to be put upon articles sent by mail in payment of the postage, esp. an adhesive stamp issued and sold for that purpose. [1913 Webster]