stamp1 S2 [countable]
mailalso postage stamp formalTCM
a small piece of paper that you buy and stick onto an envelope or package before posting it:
a 29-cent stamp
Richard collects stamps.
a second-class stamp
a tool for pressing or printing a mark or pattern onto a surface, or the mark made by this tool:
a date stamp
a passport stamp
if something has the stamp of a particular quality, it clearly has that quality
The speech bore (=had) the stamp of authority.
a small piece of paper that is worth a particular amount of money and is bought and collected for something over a period of time:
television licence stamps
a piece of paper for sticking to some official papers to show that British tax has been paid
taxPET British English
someone with a particular kind of character:
He's clearly of a very different stamp.
an act of stamping, especially with your foot:
an angry stamp