1. (noun) a small adhesive token stuck on a letter or package to indicate that that postal fees have been paid

• postage stamp
• stamp

1. (noun) the charge for mailing something

• charge

2. (noun) a small adhesive token stuck on a letter or package to indicate that that postal fees have been paid

• item
• token

1. (noun) a small adhesive token stuck on a letter or package to indicate that that postal fees have been paid

• mail
• post
• send
• stamp