Sūc'tion, n.

n. [O. Fr. suction, Sp. succion, from Lat. sugere, suctum, to suck.] The act of sucking or drawing, as fluids, by exhausting the air.

Suction-chamber, the chamber of a pump into which the suction pipe delivers.—Suction-pipe, the induction water-pipe of a pump.—Suction-pump, the common pump, in which the water is raised into the barrel by atmospheric pressure. [See Illust. of Pump.]