GNU Collaborative International Dictionary of English

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Found one definition

1.       
   Suction (?), 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, the chamber of a pump into which the suction pipe delivers. -- Suction pipe, Suction valve, the induction pipe, and induction valve, of a pump, respectively. -- Suction pump, the common pump, in which the water is raised into the barrel by atmospheric pressure.  See Illust. of Pump.
   
   [1913 Webster]