Definition of P-trap in English:

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A trap consisting of a U-bend with the upper part of its outlet arm bent horizontally.
Example sentences
  • As needed, cut the P-trap and rotate both the trap section of the P-trap and the disposer.
  • Then connect the P-trap to the tail piece with another washer and slip nut.
  • You will need a pipe wrench to disconnect the chrome fittings between the garbage disposal or the sink and the P-trap.


Late 19th century: so named because of its shape.

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