suction Meaning, Definition & Usage

  1. noun a force over an area produced by a pressure difference
  2. noun the act of sucking
    suck; sucking.
  3. verb remove or draw away by the force of suction
    • the doctors had to suction the water from the patient's lungs
  4. verb empty or clean (a body cavity) by the force of suction
    • suction the uterus in an abortion

WordNet

Suc"tion noun
Etymology
L. sugere, suctum, to suck; cf. OF. suction. See Suck, v. t.
Definitions
  1. The act or process of sucking; the act of drawing, as fluids, by exhausting the air.

Webster 1913