Definify.com
Webster 1913 Edition
Force pump
Force′ pumpˊ
.(Mach.)
(a)
A pump having a solid piston, or plunger, for drawing and forcing a liquid, as water, through the valves; in distinction from a pump having a bucket, or valved piston.
(b)
A pump adapted for delivering water at a considerable height above the pump, or under a considerable pressure; in distinction from one which lifts the water only to the top of the pump or delivers it through a spout. See Illust. of
Plunger pump
, under Plunger
.