Pump stock

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]