The Collaborative International Dictionary of English v.0.48:

Stamp \Stamp\ (st[a^]mp) v. t. [imp. & p. p. Stamped
   (st[a^]mt; 215); p. pr. & vb. n. Stamping.] [OE. stampen;
   akin to LG. & D. stampen, G. stampfen, OHG. stampf[=o]n, Dan.
   stampe, Sw. stampa, Icel. stappa, G. stampf a pestle and E.
   step. See Step, v. i., and cf. Stampede.]
   1. To strike beat, or press forcibly with the bottom of the
      foot, or by thrusting the foot downward. --Shak.
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            He frets, he fumes, he stares, he stamps the ground.
                                                  --Dryden.
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   2. To bring down (the foot) forcibly on the ground or floor;
      as, he stamped his foot with rage.
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   3. To crush; to pulverize; specifically (Metal.), to crush by
      the blow of a heavy stamp, as ore in a mill.
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            I took your sin, the calf which ye had made, and
            burnt it with fire, and stamped it, and ground it
            very small.                           --Deut. ix.
                                                  21.
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   4. To impress with some mark or figure; as, to stamp a plate
      with arms or initials.
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   5. Fig.: To impress; to imprint; to fix deeply; as, to stamp
      virtuous principles on the heart.
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            God . . . has stamped no original characters on our
            minds wherein we may read his being.  --Locke.
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   6. To cut out, bend, or indent, as paper, sheet metal, etc.,
      into various forms, by a blow or suddenly applied pressure
      with a stamp or die, etc.; to mint; to coin.
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   7. To put a stamp on, as for postage; as, to stamp a letter;
      to stamp a legal document.
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   To stamp out, to put an end to by sudden and energetic
      action; to extinguish; as, to stamp out a rebellion.
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