[1] : The Collaborative International Dictionary of English v.0.48

pump \pump\, n. akin to d. pomp, g. pumpe, f. pompe; of unknown
   origin.
   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.
   1913 webster

   note: for various kinds of pumps, see air pump, chain
         pump, and force pump; also, under lifting,
         plunger, rotary, etc.
         1913 webster

   circulating pump steam engine, a pump for driving the
      condensing water through the casing, or tubes, of a
      surface condenser.

   pump brake. see pump handle, below.

   pump dale. see dale.

   pump gear, the apparatus belonging to a pump. --totten.

   pump handle, the lever, worked by hand, by which motion is
      given to the bucket of a pump.

   pump hood, a semicylindrical appendage covering the upper
      wheel of a chain pump.

   pump rod, the rod to which the bucket of a pump is
      fastened, and which is attached to the brake or handle;
      the piston rod.

   pump room, a place or room at a mineral spring where the
      waters are drawn and drunk. eng.

   pump spear. same as pump rod, above.

   pump stock, the stationary part, body, or barrel of a pump.
      

   pump well. naut. see well.
      1913 webster
see also:
air pump chain pump force pump lifting plunger rotary 
circulating pump pump brake pump handle pump dale dale 
pump gear pump hood pump rod pump room pump spear 
pump stock pump well well 

[2] : The Collaborative International Dictionary of English v.0.48

circulate \cir"culate\, v. t.
   to cause to pass from place to place, or from person to
   person; to spread; as, to circulate a report; to circulate
   bills of credit.
   1913 webster

   circulating pump. see under pump.

   syn: to spread; diffuse; propagate; disseminate.
        1913 webster
see also:
circulating pump pump 

Circulating >> C Words
Circulating, definition of term: Circulating
circulating_pag1.html

Pump >> P Words
Pump, definition of term: Pump
pump_pag1.html

Vacuum Pump >> V Words
Vacuum Pump, definition of term: Vacuum Pump
vacuum+pump_pag1.html

Water Pump >> W Words
Water Pump, definition of term: Water Pump
water+pump_pag1.html

Heat Pump >> H Words
Heat Pump, definition of term: Heat Pump
heat+pump_pag1.html

Bilge Pump >> B Words
Bilge Pump, definition of term: Bilge Pump
bilge+pump_pag1.html

Air Pump >> A Words
Air Pump, definition of term: Air Pump
air+pump_pag1.html

Pneumatic Pump >> P Words
Pneumatic Pump, definition of term: Pneumatic Pump
pneumatic+pump_pag1.html