1. a small piece of paper with a design that is put on mail to show payment for delivery
2. a tool used to press a design or words onto a surface
3. a mark or impression made by pressing something onto a surface

1. to press down forcefully with the foot
2. to press a design or words onto something using a tool
3. to put a postage stamp on mail

Examples

• She put a stamp on the envelope before mailing it.
• The passport officer used a stamp to mark my entry date.
• He stamped his foot in anger.
• The library stamped the due date on my book.
• Don’t forget to stamp the letter.
• The official stamp showed the document was approved.
• She collected stamps from different countries.
• The horse began to stamp nervously.