Definitions:
bring down (one's foot) heavily on the ground or on something on the ground

impress a pattern or mark on (a surface, object, or document) using an engraved or inked block or die

fix a postage stamp or stamps on to (a letter)

crush or pulverize (ore).

an instrument for stamping a pattern or mark, in particular an engraved or inked block or die.

a small adhesive piece of paper stuck to something to show that an amount of money has been paid, in particular a postage stamp

an act or sound of stamping with the foot

a block for crushing ore in a stamp mill.