n. [ L. exsugere, exsuctum, to suck out; ex out + sugere to suck: cf. F. exsuccion. ] The act of sucking out. [ 1913 Webster ]
n. [ L. sugere, suctum, to suck; cf. OF. suction. See Suck, v. t. ] The act or process of sucking; the act of drawing, as fluids, by exhausting the air. [ 1913 Webster ]
Suction chamber,
Suction pipe,
Suction valve
Suction pump,