PUMICIFORM
Pu*mic"i*form, a. Etym: [Pumice + -form.]
Defn: Resembling, or having the structure of, pumice.
PUMMACE
Pum"mace, n.
Defn: Same as Pomace.
PUMMEL
Pum"mel, n. & v. t.
Defn: Same as Pommel.
PUMP Pump (pûmp), n. Etym: [Probably so called as being worn for pomp or ornament. See Pomp.]
Defn: A low shoe with a thin sole. Swift.
PUMP Pump, n. Etym: [Akin to D. pomp, G. pumpe, F. pompe; of unknown origin.]
Defn: An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.