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A kitchen strainer (1).
A sink strainer (2).


From Middle English streynour, strenyour, equivalent to strain +‎ -er.



strainer (plural strainers)

  1. A device through which a liquid is passed for purification, filtering or separation from solid matter; anything (including a screen or a cloth) used to strain a liquid.
    Synonym: sile
  2. A perforated screen or openwork (usually at the end of a suction pipe of a pump), used to prevent solid bodies from mixing in a liquid stream or flowline.
  3. One who strains.
    • 2008, Kirby I. Bland, ‎Michael G. Sarr, ‎Markus W. Büchler, General Surgery: Principles and International Practice, page 843:
      An important factor with respect to recurrence [of rectal prolapse] is the fact that many of these patients are chronic strainers.