11. A kind of heavy hammer, or pestle, raised by water or steam power, for beating ores to powder; anything like a pestle, used for pounding or bathing.

12. A half-penny. [Obs.] au. & Fl.

13. pl.

Defn: Money, esp. paper money. [Slang, U.S.] Stamp act, an act of the British Parliament [1765] imposing a duty on all paper, vellum, and parchment used in the American colonies, and declaring all writings on unstamped materials to be null an void. — Stamp collector, an officer who receives or collects stamp duties; one who collects postage or other stamps. — Stamp duty, a duty, or tax, imposed on paper and parchment used for certain writings, as deeds, conveyances, etc., the evidence of the payment of the duty or tax being a stamp. [Eng.] — Stamp hammer, a hammer, worked by power, which rises and falls vertically, like a stamp in a stamp mill. — Stamp head, a heavy mass of metal, forming the head or lower end of a bar, which is lifted and let fall, in a stamp mill. — Stamp mill (Mining), a mill in which ore is crushed with stamps; also, a machine for stamping ore. — Stamp note, a stamped certificate from a customhouse officer, which allows goods to be received by the captain of a ship as freight. [Eng.] — Stamp office, an office for the issue of stamps and the reception of stamp duties.

STAMPEDE
Stam*pede", n. Etym: [Sp. estampida (in America) a stampede,
estampido a crackling, akin to estampar to stamp, of German origin.
See Stamp, v. t.]

Defn: A wild, headlong scamper, or running away, of a number of animals; usually caused by fright; hence, any sudden flight or dispersion, as of a crowd or an army in consequence of a panic. She and her husband would join in the general stampede. W. Black.

STAMPEDE
Stam*pede", v. i.

Defn: To run away in a panic; — said droves of cattle, horses, etc., also of armies.

STAMPEDE
Stam*pede", v. t.

Defn: To disperse by causing sudden fright, as a herd or drove of animals.