Pump

pump, n. a machine for raising water and other fluids to a higher level: a machine for drawing out or forcing in air.— v.t. to raise with a pump: to draw out information by artful questions.— v.i. to work a pump: to raise water by pumping.— ns. Pump′age , the amount pumped; Pump′-barr′el , the cylinder which forms the body of a pump.— pa.p. Pumped ( coll. ), out of breath, panting—sometimes with out .— ns. Pump′er ; Pump′-gear , the various parts which make up a pump; Pump′-hand′le , the lever by means of which the pump is worked; Pump′-head , -hood , a frame covering the upper wheel of a chain-pump, serving to guide the water into the discharge-spout; Pump′ing-en′gine , any form of motor for operating a pump; Pump′-rod , the rod by which the handle is fixed to the bucket which moves up and down inside; Pump′-room , the apartment at a mineral spring in which the waters are drunk; Pump′-well , a well from which water is got by pumping.— Pump ship , to urinate. [O. Fr. pompe (cf. Ger. pumpe ); perh. conn. with plump .]