D defs.my
Entry 1 sense Webster, 1913

Suction

/sŭk'-shən/ · Suc·tion · IPA /ˈsʌkʃən/
01 n. The act or process of sucking; the act of drawing, as fluids, by exhausting the air.
  1. 1.
    The act or process of sucking; the act of drawing, as fluids, by exhausting the air.
Phrases & compounds
Suction chamber — the chamber of a pump into which the suction pipe delivers.
Suction pipe — 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.